/*****************************************************************************
- * 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>
+ * Clément 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;
}