Improvements to the playlist core

include/vlc_common.h

@@ -205,17 +205,21 @@ typedef struct msg_subscription_t msg_subscription_t;
  * Playlist commands
  */
 typedef enum {
-    PLAYLIST_PLAY,                              /**< Starts playing. No arg. */
-    PLAYLIST_PAUSE,                     /**< Toggles playlist pause. No arg. */
-    PLAYLIST_STOP,                               /**< Stops playing. No arg. */
-    PLAYLIST_SKIP,                               /**< Skip X items and play. */
-    PLAYLIST_GOTO,                                       /**< Goto Xth item. */
+    PLAYLIST_PLAY,      /**< No arg.                            res=can fail*/
+    PLAYLIST_VIEWPLAY,  /**< arg1= int, arg2= playlist_item_t*,*/
+                        /**  arg3 = playlist_item_t*          , res=can fail */
+    PLAYLIST_ITEMPLAY,  /** <arg1 = playlist_item_t *         , res=can fail */
+    PLAYLIST_PAUSE,     /**< No arg                             res=can fail*/
+    PLAYLIST_STOP,      /**< No arg                             res=can fail*/
+    PLAYLIST_SKIP,      /**< arg1=int,                          res=can fail*/
+    PLAYLIST_GOTO,      /**< arg1=int                           res=can fail */
+    PLAYLIST_VIEWGOTO,      /**< arg1=int                       res=can fail */
 } playlist_command_t;
 
 
 typedef struct playlist_t playlist_t;
 typedef struct playlist_item_t playlist_item_t;
-typedef struct playlist_group_t playlist_group_t;
+typedef struct playlist_view_t playlist_view_t;
 typedef struct playlist_export_t playlist_export_t;
 
 /* Modules */

include/vlc_input.h

@@ -53,6 +53,9 @@ struct input_item_t
     mtime_t    i_duration;           /**< A hint about the duration of this
                                       * item, in milliseconds*/
 
+    int        i_id;                 /**< Identifier of the item */
+    uint8_t    i_type;               /**< Type (file, disc, ...) */
+
     int        i_categories;         /**< Number of info categories */
     info_category_t **pp_categories; /**< Pointer to the first info category */
 
@@ -62,14 +65,26 @@ struct input_item_t
     vlc_mutex_t lock;                /**< Item cannot be changed without this lock */
 };
 
+#define ITEM_TYPE_UNKNOWN       0
+#define ITEM_TYPE_FILE          1
+#define ITEM_TYPE_DIRECTORY     2
+#define ITEM_TYPE_DISC          3
+#define ITEM_TYPE_CARD          4
+#define ITEM_TYPE_NET           5
+#define ITEM_TYPE_PLAYLIST      6
+
 static inline void vlc_input_item_Init( vlc_object_t *p_o, input_item_t *p_i )
 {
     memset( p_i, 0, sizeof(input_item_t) );
+    p_i->i_options  = 0;
+    p_i->i_es = 0;
+    p_i->i_categories = 0 ;
     p_i->psz_name = 0;
     p_i->psz_uri = 0;
     p_i->ppsz_options = 0;
     p_i->pp_categories = 0;
     p_i->es = 0;
+    p_i->i_type = ITEM_TYPE_UNKNOWN;
     vlc_mutex_init( p_o, &p_i->lock );
 }
 

include/vlc_keys.h

@@ -232,5 +232,7 @@ static inline int StringToKey( char *psz_key )
 #define ACTIONID_HISTORY_FORWARD       49
 #define ACTIONID_AUDIO_TRACK           50
 #define ACTIONID_SUBTITLE_TRACK        51
+#define ACTIONID_CUBESPEED_UP          52
+#define ACTIONID_CUBESPEED_DOWN        53
 #define ACTIONID_INTF_SHOW             52
 

src/input/input.c

@@ -580,6 +580,7 @@ static int Init( input_thread_t * p_input )
         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 
         UpdateItemLength( p_input, val.i_time );
+        p_input->input.p_item->i_duration = val.i_time;
     }
 
     /* Start title/chapter */
@@ -893,6 +894,11 @@ static int Init( input_thread_t * p_input )
     msg_Dbg( p_input, "`%s' sucessfully opened",
              p_input->input.p_item->psz_uri );
 
+    /* Trigger intf update for this item */
+    /* Playlist has a callback on this variable and will forward
+     * it to intf */
+    var_SetInteger( p_input, "item-change", p_input->input.p_item->i_id );
+
     /* initialization is complete */
     p_input->i_state = PLAYING_S;
 

src/input/var.c

@@ -190,12 +190,14 @@ void input_ControlVarInit ( input_thread_t *p_input )
     var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 
 
-
    /* Special "intf-change" variable, it allows intf to set up a callback
      * to be notified of some changes.
      * TODO list all changes warn by this callbacks */
     var_Create( p_input, "intf-change", VLC_VAR_BOOL );
     var_SetBool( p_input, "intf-change", VLC_TRUE );
+
+   /* item-change variable */
+    var_Create( p_input, "item-change", VLC_VAR_INTEGER );
 }
 
 /*****************************************************************************

src/playlist/group.c

-/*****************************************************************************
- * playlist.c : Playlist groups management functions
- *****************************************************************************
- * Copyright (C) 1999-2004 VideoLAN
- * $Id$
- *
- * Authors: Clment 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * 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.
- *****************************************************************************/
-#include <stdlib.h>                                      /* free(), strtol() */
-#include <stdio.h>                                              /* sprintf() */
-#include <string.h>                                            /* strerror() */
-
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-
-#include "vlc_playlist.h"
-
-/**
- * Create a group
- *
- * Create a new group
- * \param p_playlist pointer to a playlist
- * \param psz_name the name of the group to be created
- * \return a pointer to the created group, or NULL on error
- */
-playlist_group_t *playlist_CreateGroup( playlist_t *p_playlist, char *psz_name)
-{
-    playlist_group_t *p_group;
-    int i;
-
-    for( i = 0 ; i < p_playlist->i_groups; i++ )
-    {
-        if( !strcasecmp( p_playlist->pp_groups[i]->psz_name , psz_name ) )
-        {
-            msg_Info( p_playlist, "this group already exists");
-            return p_playlist->pp_groups[i];
-        }
-    }
-
-    /* Allocate the group structure */
-    if( ( p_group = malloc( sizeof(playlist_group_t) ) ) == NULL )
-    {
-        msg_Err( p_playlist, "out of memory" );
-        return NULL;
-    }
-
-    p_group->psz_name = strdup( psz_name );
-    p_group->i_id = ++p_playlist->i_last_group;
-
-    msg_Dbg(p_playlist,"creating group %s with id %i at position %i",
-                     p_group->psz_name,
-                     p_group->i_id,
-                     p_playlist->i_groups);
-
-    INSERT_ELEM ( p_playlist->pp_groups,
-                  p_playlist->i_groups,
-                  p_playlist->i_groups,
-                  p_group );
-
-    return p_group;
-}
-
-/**
- * Destroy a group
- *
- * \param p_playlist the playlist to remove the group from
- * \param i_id the identifier of the group to remove
- * \return VLC_SUCCESS
- */
-int playlist_DeleteGroup( playlist_t *p_playlist, int i_id )
-{
-    int i;
-
-    for( i=0 ; i<= p_playlist->i_groups; i++ )
-    {
-        playlist_group_t *p_group = p_playlist->pp_groups[i];
-
-        if( p_group->i_id == i_id )
-        {
-
-            if( p_group->psz_name )
-            {
-                free( p_group->psz_name );
-            }
-            REMOVE_ELEM( p_playlist->pp_groups,
-                         p_playlist->i_groups,
-                         i );
-            free( p_group );
-
-            return VLC_SUCCESS;
-        }
-    }
-    return VLC_SUCCESS;
-}
-
-/**
- * Find the name of the group given its ID
- *
- * \param p_playlist the playlist where to find the group
- * \param i_id the ID to search for
- * \return the name of the group
- */
-char *playlist_FindGroup( playlist_t *p_playlist, int i_id )
-{
-    int i;
-    for( i=0 ; i< p_playlist->i_groups; i++ )
-    {
-        if( p_playlist->pp_groups[i]->i_id == i_id )
-        {
-            if( p_playlist->pp_groups[i]->psz_name)
-                return strdup( p_playlist->pp_groups[i]->psz_name );
-        }
-    }
-    return NULL;
-}
-
-/**
- * Find the id of a group given its name
- *
- * \param p_playlist the playlist where to find the group
- * \param psz_name the name to search for
- * \return the id of the group
- */
-int playlist_GroupToId( playlist_t *p_playlist, char *psz_name )
-{
-    int i;
-    for( i = 0 ; i< p_playlist->i_groups; i++ )
-    {
-        if( p_playlist->pp_groups[i]->psz_name)
-        {
-            if( ! strcasecmp( p_playlist->pp_groups[i]->psz_name, psz_name ) )
-            {
-                return p_playlist->pp_groups[i]->i_id;
-            }
-        }
-    }
-    return VLC_SUCCESS;
-}

src/playlist/info.c

@@ -122,7 +122,7 @@ info_category_t * playlist_ItemGetCategory( playlist_item_t *p_item,
  * \return the info category.
  */
 info_category_t * playlist_ItemCreateCategory( playlist_item_t *p_item,
-					       const char *psz_cat )
+                                               const char *psz_cat )
 {
     info_category_t *p_cat;
     int i;

src/playlist/item.c

@@ -29,6 +29,8 @@
 
 #include "vlc_playlist.h"
 
+static void GuessType( input_item_t *p_item);
+
 /**
  * Create a new item, without adding it to the playlist
  *
@@ -43,23 +45,37 @@ playlist_item_t * __playlist_ItemNew( vlc_object_t *p_obj,
 {
     playlist_item_t * p_item;
 
-    if( psz_uri == NULL ) return NULL;
+    if( psz_uri == NULL) return NULL;
 
     p_item = malloc( sizeof( playlist_item_t ) );
     if( p_item == NULL ) return NULL;
+
     memset( p_item, 0, sizeof( playlist_item_t ) );
 
-    vlc_input_item_Init( p_obj, &p_item->input );
-    p_item->input.i_duration = -1;
     p_item->input.psz_uri = strdup( psz_uri );
 
     if( psz_name != NULL ) p_item->input.psz_name = strdup( psz_name );
     else p_item->input.psz_name = strdup ( psz_uri );
 
     p_item->b_enabled = VLC_TRUE;
-    p_item->i_group = PLAYLIST_TYPE_MANUAL;
+    p_item->i_nb_played = 0;
+
+    p_item->i_children = -1;
+    p_item->pp_children = NULL;
+
+    p_item->i_flags = 0;
+    p_item->i_flags |= PLAYLIST_SKIP_FLAG;
+
+    p_item->input.i_duration = -1;
+    p_item->input.ppsz_options = NULL;
+    p_item->input.i_options = 0;
+
+    vlc_mutex_init( p_obj, &p_item->input.lock );
+
+    GuessType( &p_item->input );
 
     playlist_ItemCreateCategory( p_item, _("General") );
+
     return p_item;
 }
 
@@ -71,136 +87,51 @@ playlist_item_t * __playlist_ItemNew( vlc_object_t *p_obj,
  */
 void playlist_ItemDelete( playlist_item_t *p_item )
 {
-    vlc_input_item_Clean( &p_item->input );
-    free( p_item );
-}
-
-/**
- * Add a playlist item into a playlist
- *
- * \param p_playlist the playlist to insert into
- * \param p_item the playlist item to insert
- * \param i_mode the mode used when adding
- * \param i_pos the possition in the playlist where to add. If this is
- *        PLAYLIST_END the item will be added at the end of the playlist
- *        regardless of it's size
- * \return The id of the playlist item
- */
-int playlist_AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
-                      int i_mode, int i_pos)
-{
-    vlc_value_t val;
+    vlc_mutex_lock( &p_item->input.lock );
 
-    vlc_mutex_lock( &p_playlist->object_lock );
+    if( p_item->input.psz_name ) free( p_item->input.psz_name );
+    if( p_item->input.psz_uri ) free( p_item->input.psz_uri );
 
-    /*
-     * CHECK_INSERT : checks if the item is already enqued before
-     * enqueing it
-     */
-    if ( i_mode & PLAYLIST_CHECK_INSERT )
+    /* Free the info categories */
+    if( p_item->input.i_categories > 0 )
     {
-         int j;
-
-         if ( p_playlist->pp_items )
-         {
-             for ( j = 0; j < p_playlist->i_size; j++ )
-             {
-                 if ( !strcmp( p_playlist->pp_items[j]->input.psz_uri,
-                               p_item->input.psz_uri ) )
-                 {
-                      if ( p_item->input.psz_name )
-                      {
-                          free( p_item->input.psz_name );
-                      }
-                      if ( p_item->input.psz_uri )
-                      {
-                          free ( p_item->input.psz_uri );
-                      }
-                      free( p_item );
-                      vlc_mutex_unlock( &p_playlist->object_lock );
-                      return -1;
-                 }
-             }
-         }
-         i_mode &= ~PLAYLIST_CHECK_INSERT;
-         i_mode |= PLAYLIST_APPEND;
-    }
-
-    msg_Dbg( p_playlist, "adding playlist item `%s' ( %s )",
-             p_item->input.psz_name, p_item->input.psz_uri );
-
-    p_item->i_id = ++p_playlist->i_last_id;
+        int i, j;
 
-    /* Do a few boundary checks and allocate space for the item */
-    if( i_pos == PLAYLIST_END )
-    {
-        if( i_mode & PLAYLIST_INSERT )
+        for( i = 0; i < p_item->input.i_categories; i++ )
         {
-            i_mode &= ~PLAYLIST_INSERT;
-            i_mode |= PLAYLIST_APPEND;
-        }
+            info_category_t *p_category = p_item->input.pp_categories[i];
 
-        i_pos = p_playlist->i_size - 1;
-    }
+            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] );
+            }
 
-    if( !(i_mode & PLAYLIST_REPLACE)
-         || i_pos < 0 || i_pos >= p_playlist->i_size )
-    {
-        /* Additional boundary checks */
-        if( i_mode & PLAYLIST_APPEND )
-        {
-            i_pos++;
+            if( p_category->i_infos ) free( p_category->pp_infos );
+            if( p_category->psz_name ) free( p_category->psz_name );
+            free( p_category );
         }
 
-        if( i_pos < 0 )
-        {
-            i_pos = 0;
-        }
-        else if( i_pos > p_playlist->i_size )
-        {
-            i_pos = p_playlist->i_size;
-        }
-
-        INSERT_ELEM( p_playlist->pp_items, p_playlist->i_size, i_pos, p_item );
-        p_playlist->i_enabled ++;
-
-        if( p_playlist->i_index >= i_pos )
-        {
-            p_playlist->i_index++;
-        }
-    }
-    else
-    {
-        /* i_mode == PLAYLIST_REPLACE and 0 <= i_pos < p_playlist->i_size */
-        if( p_playlist->pp_items[i_pos]->input.psz_name )
-        {
-            free( p_playlist->pp_items[i_pos]->input.psz_name );
-        }
-        if( p_playlist->pp_items[i_pos]->input.psz_uri )
-        {
-            free( p_playlist->pp_items[i_pos]->input.psz_uri );
-        }
-        /* XXX: what if the item is still in use? */
-        free( p_playlist->pp_items[i_pos] );
-        p_playlist->pp_items[i_pos] = p_item;
+        free( p_item->input.pp_categories );
     }
 
-    if( i_mode & PLAYLIST_GO )
+    for( ; p_item->input.i_options > 0; p_item->input.i_options-- )
     {
-        p_playlist->i_index = i_pos;
-        if( p_playlist->p_input )
-        {
-            input_StopThread( p_playlist->p_input );
-        }
-        p_playlist->i_status = PLAYLIST_RUNNING;
+        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 );
     }
 
-    vlc_mutex_unlock( &p_playlist->object_lock );
-
-    val.b_bool = VLC_TRUE;
-    var_Set( p_playlist, "intf-change", val );
+    vlc_mutex_unlock( &p_item->input.lock );
+    vlc_mutex_destroy( &p_item->input.lock );
 
-    return p_item->i_id;
+    free( p_item );
 }
 
 /**
@@ -221,3 +152,127 @@ int playlist_ItemAddOption( playlist_item_t *p_item, const char *psz_option )
 
     return VLC_SUCCESS;
 }
+
+/**
+ * Add a parent to an item
+ *
+ * \param p_item the item
+ * \param i_view the view in which the parent is
+ * \param p_parent the parent to add
+ * \return nothing
+ */
+void playlist_ItemAddParent( playlist_item_t *p_item, int i_view,
+                         playlist_item_t *p_parent )
+{
+   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 );
+   }
+}
+
+
+/**********************************************************************
+ * playlist_item_t structure accessors
+ * These functions give access to the fields of the playlist_item_t
+ * structure
+ **********************************************************************/
+
+
+/**
+ * Set the name of a playlist item
+ *
+ * \param p_item the item
+ * \param psz_name the new name
+ * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
+ */
+int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
+{
+    if( psz_name && p_item )
+    {
+        p_item->input.psz_name = strdup( psz_name );
+        return VLC_SUCCESS;
+    }
+    return VLC_EGENERIC;
+}
+
+/**
+ * Set the duration of a playlist item
+ * This function must be entered with the item lock
+ *
+ * \param p_item the item
+ * \param i_duration the new duration
+ * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
+ */
+int playlist_ItemSetDuration( playlist_item_t *p_item, mtime_t i_duration )
+{
+    char psz_buffer[MSTRTIME_MAX_SIZE];
+    if( p_item )
+    {
+        p_item->input.i_duration = i_duration;
+        if( i_duration != -1 )
+        {
+            secstotimestr( psz_buffer, i_duration/1000000 );
+        }
+        else
+        {
+            memcpy( psz_buffer, "--:--:--", sizeof("--:--:--") );
+        }
+        playlist_ItemAddInfo( p_item, _("General") , _("Duration"),
+                              "%s", psz_buffer );
+
+        return VLC_SUCCESS;
+    }
+    return VLC_EGENERIC;
+}
+
+static void GuessType( input_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_DISC },
+        { "mms", ITEM_TYPE_NET },
+        { "rtsp", ITEM_TYPE_NET },
+        { "udp", 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 },
+        { NULL, 0 }
+    };
+
+    for( i = 0; types_array[i].psz_search != NULL; i++ )
+    {
+        if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
+                      strlen( types_array[i].psz_search ) ) )
+        {
+            p_item->i_type = types_array[i].i_type;
+            return;
+        }
+    }
+    return ITEM_TYPE_UNKNOWN;
+}

src/playlist/loadsave.c

@@ -34,10 +34,11 @@
 
 #define PLAYLIST_FILE_HEADER  "# vlc playlist file version 0.5"
 
-
 /**
- * Import a certain playlist file into the playlist
+ * Import a certain playlist file into the library
+ * This file will get inserted as a new category
  *
+ * XXX: TODO
  * \param p_playlist the playlist to which the new items will be added
  * \param psz_filename the name of the playlistfile to import
  * \return VLC_SUCCESS on success
@@ -68,6 +69,40 @@ int playlist_Import( playlist_t * p_playlist, const char *psz_filename )
     return VLC_SUCCESS;
 }
 
+/**
+ * Load a certain playlist file into the playlist
+ * This file will replace the contents of the "current" view
+ *
+ * \param p_playlist the playlist to which the new items will be added
+ * \param psz_filename the name of the playlistfile to import
+ * \return VLC_SUCCESS on success
+ */
+int playlist_Load( playlist_t * p_playlist, const char *psz_filename )
+{
+    playlist_item_t *p_item;
+    char *psz_uri;
+    int i_id;
+
+    msg_Dbg( p_playlist, "clearing playlist");
+    playlist_Clear( p_playlist );
+
+
+    psz_uri = (char *)malloc(sizeof(char)*strlen(psz_filename) + 17 );
+    sprintf( psz_uri, "file/playlist://%s", psz_filename);
+
+    i_id = playlist_Add( p_playlist, psz_uri, psz_uri,
+                  PLAYLIST_INSERT  , PLAYLIST_END);
+
+    vlc_mutex_lock( &p_playlist->object_lock );
+    p_item = playlist_ItemGetById( p_playlist, i_id );
+    p_item->b_autodeletion = VLC_TRUE;
+    vlc_mutex_unlock( &p_playlist->object_lock );
+
+    playlist_Play(p_playlist);
+
+    return VLC_SUCCESS;
+}
+
 /**
  * Export a playlist to a certain type of playlistfile
  *

src/playlist/sort.c

@@ -31,17 +31,22 @@
 
 #include "vlc_playlist.h"
 
+
+int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
+                playlist_item_t **pp_items, int i_mode,
+                int i_type );
+
+
 /**
- * Sort the playlist
+ * Sort the playlist.
  * \param p_playlist the playlist
- * \param i_mode: SORT_ID, SORT_TITLE, SORT_GROUP, SORT_AUTHOR, SORT_RANDOM
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_AUTHOR, SORT_RANDOM
  * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
  * \return VLC_SUCCESS on success
  */
 int playlist_Sort( playlist_t * p_playlist , int i_mode, int i_type )
 {
-    int i , i_small , i_position;
-    playlist_item_t *p_temp;
+    int  i_id = -1;
     vlc_value_t val;
     val.b_bool = VLC_TRUE;
 
@@ -49,76 +54,105 @@ int playlist_Sort( playlist_t * p_playlist , int i_mode, int i_type )
 
     p_playlist->i_sort = i_mode;
     p_playlist->i_order = i_type;
-    /* playlist with one or less items are allways sorted in all
-       manners, quit fast. */
-    if( p_playlist->i_size <= 1 )
+
+    if( p_playlist->i_index >= 0 )
     {
-        vlc_mutex_unlock( &p_playlist->object_lock );
+        i_id = p_playlist->pp_items[p_playlist->i_index]->input.i_id;
+    }
 
-        /* Notify the interfaces, is this necessary? */
-        var_Set( p_playlist, "intf-change", val );
+    playlist_ItemArraySort( p_playlist, p_playlist->i_size,
+                    p_playlist->pp_items, i_mode, i_type );
 
-        return VLC_SUCCESS;
+    if( i_id != -1 )
+    {
+        p_playlist->i_index = playlist_GetPositionById( p_playlist, i_id );
     }
 
+    /* ensure we are in no-view mode */
+    p_playlist->status.i_view = -1;
+
+    vlc_mutex_unlock( &p_playlist->object_lock );
+
+    /* Notify the interfaces */
+    var_Set( p_playlist, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+/**
+ * Sort a node.
+ * \param p_playlist the playlist
+ * \param p_node the node to sort
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_AUTHOR, SORT_RANDOM
+ * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
+ * \return VLC_SUCCESS on success
+ */
+int playlist_NodeSort( playlist_t * p_playlist , playlist_item_t *p_node,
+                       int i_mode, int i_type )
+{
+    int i_id;
+    vlc_value_t val;
+    val.b_bool = VLC_TRUE;
+
+    vlc_mutex_lock( &p_playlist->object_lock );
+
+    playlist_ItemArraySort( p_playlist,p_node->i_children,
+                            p_node->pp_children, i_mode, i_type );
+
+    p_node->i_serial++;
+
+    vlc_mutex_unlock( &p_playlist->object_lock );
+
+    /* Notify the interfaces */
+    var_Set( p_playlist, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+
+int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
+                playlist_item_t **pp_items, int i_mode,
+                int i_type )
+{
+    int i , i_small , i_position;
+    playlist_item_t *p_temp;
+    vlc_value_t val;
+    val.b_bool = VLC_TRUE;
+
     if( i_mode == SORT_RANDOM )
     {
-        for( i_position = 0; i_position < p_playlist->i_size ; i_position ++ )
+        for( i_position = 0; i_position < i_items ; i_position ++ )
         {
-            int i_new  = rand() % (p_playlist->i_size - 1);
-
-            /* Keep the correct current index */
-            if( i_new == p_playlist->i_index )
-                p_playlist->i_index = i_position;
-            else if( i_position == p_playlist->i_index )
-                p_playlist->i_index = i_new;
+            int i_new  = rand() % (i_items - 1);
 
-            p_temp = p_playlist->pp_items[i_position];
-            p_playlist->pp_items[i_position] = p_playlist->pp_items[i_new];
-            p_playlist->pp_items[i_new] = p_temp;
+            p_temp = pp_items[i_position];
+            pp_items[i_position] = pp_items[i_new];
+            pp_items[i_new] = p_temp;
         }
-        vlc_mutex_unlock( &p_playlist->object_lock );
-
-        /* Notify the interfaces */
-        var_Set( p_playlist, "intf-change", val );
 
         return VLC_SUCCESS;
     }
 
-    for( i_position = 0; i_position < p_playlist->i_size -1 ; i_position ++ )
+    for( i_position = 0; i_position < i_items -1 ; i_position ++ )
     {
         i_small  = i_position;
-        for( i = i_position + 1 ; i<  p_playlist->i_size ; i++)
+        for( i = i_position + 1 ; i< i_items ; i++)
         {
             int i_test = 0;
 
-            if( i_mode == SORT_ID )
+            if( i_mode == SORT_TITLE )
             {
-                i_test = p_playlist->pp_items[i]->i_id -
-                                 p_playlist->pp_items[i_small]->i_id;
-            }
-            else if( i_mode == SORT_TITLE )
-            {
-                i_test = strcasecmp( p_playlist->pp_items[i]->input.psz_name,
-                             p_playlist->pp_items[i_small]->input.psz_name );
-            }
-            else if( i_mode == SORT_GROUP )
-            {
-                i_test = p_playlist->pp_items[i]->i_group -
-                             p_playlist->pp_items[i_small]->i_group;
+                i_test = strcasecmp( pp_items[i]->input.psz_name,
+                                         pp_items[i_small]->input.psz_name );
             }
             else if( i_mode == SORT_DURATION )
             {
-                i_test = p_playlist->pp_items[i]->input.i_duration -
-                             p_playlist->pp_items[i_small]->input.i_duration;
+                i_test = pp_items[i]->input.i_duration -
+                             pp_items[i_small]->input.i_duration;
             }
             else if( i_mode == SORT_AUTHOR )
             {
-                 i_test = strcasecmp(
-                          playlist_GetInfo( p_playlist, i,
-                                            _("General") , _("Author") ),
-                          playlist_GetInfo( p_playlist, i_small,
-                                            _("General") , _("Author") ) );
+                msg_Err( p_playlist,"META SORT not implemented" );
             }
 
             if( ( i_type == ORDER_NORMAL  && i_test < 0 ) ||
@@ -127,20 +161,77 @@ int playlist_Sort( playlist_t * p_playlist , int i_mode, int i_type )
                 i_small = i;
             }
         }
-        /* Keep the correct current index */
-        if( i_small == p_playlist->i_index )
-            p_playlist->i_index = i_position;
-        else if( i_position == p_playlist->i_index )
-            p_playlist->i_index = i_small;
-
-        p_temp = p_playlist->pp_items[i_position];
-        p_playlist->pp_items[i_position] = p_playlist->pp_items[i_small];
-        p_playlist->pp_items[i_small] = p_temp;
+        p_temp = pp_items[i_position];
+        pp_items[i_position] = pp_items[i_small];
+        pp_items[i_small] = p_temp;
     }
-    vlc_mutex_unlock( &p_playlist->object_lock );
+    return VLC_SUCCESS;
+}
 
-    /* Notify the interfaces  */
-    var_Set( p_playlist, "intf-change", val );
 
+int playlist_NodeGroup( playlist_t * p_playlist , int i_view,
+                        playlist_item_t *p_root,
+                        playlist_item_t **pp_items,int i_item,
+                        int i_mode, int i_type )
+{
+    char *psz_search = NULL;
+    int i_nodes = 0;
+    playlist_item_t **pp_nodes = NULL;
+    playlist_item_t *p_node;
+    vlc_bool_t b_found;
+    int i,j;
+    for( i = 0; i< i_item ; i++ )
+    {
+        if( psz_search ) free( psz_search );
+        if( i_mode == SORT_TITLE )
+        {
+            psz_search = strdup( pp_items[i]->input.psz_name );
+        }
+        else if ( i_mode == SORT_AUTHOR )
+        {
+            psz_search = playlist_ItemGetInfo( pp_items[i],
+                            _("Meta-information"), _( "Artist" ) );
+        }
+
+        if( psz_search && !strcmp( psz_search, "" ) )
+        {
+            free( psz_search );
+            psz_search = strdup( _("Undefined") );
+        }
+
+        b_found = VLC_FALSE;
+        for( j = 0 ; j< i_nodes; j++ )
+        {
+           if( !strcasecmp( psz_search, pp_nodes[j]->input.psz_name ) )
+           {
+                playlist_NodeAppend( p_playlist, i_view,
+                                     pp_items[i], pp_nodes[j] );
+                b_found = VLC_TRUE;
+                break;
+           }
+        }
+        if( !b_found )
+        {
+            p_node = playlist_NodeCreate( p_playlist, i_view,psz_search,
+                                          NULL );
+            INSERT_ELEM( pp_nodes, i_nodes, i_nodes, p_node );
+            playlist_NodeAppend( p_playlist, i_view,
+                                 pp_items[i],p_node );
+        }
+    }
+
+    /* Now, sort the nodes by name */
+    playlist_ItemArraySort( p_playlist, i_nodes, pp_nodes, SORT_TITLE,
+                            i_type );
+
+    /* Now, sort each node and append it to the root node*/
+    for( i = 0 ; i< i_nodes ; i++ )
+    {
+        playlist_ItemArraySort( p_playlist, pp_nodes[i]->i_children,
+                                pp_nodes[i]->pp_children, SORT_TITLE, i_type );
+
+        playlist_NodeAppend( p_playlist, i_view,
+                             pp_nodes[i], p_root );
+    }
     return VLC_SUCCESS;
 }