/*****************************************************************************
* vlc_playlist.h : Playlist functions
*****************************************************************************
- * Copyright (C) 1999, 2000, 2001, 2002 VideoLAN
- * $Id: vlc_playlist.h,v 1.11 2003/07/23 01:13:47 gbazin Exp $
+ * Copyright (C) 1999-2004 VideoLAN
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-/*****************************************************************************
- * playlist_item_t: playlist item
- *****************************************************************************/
+/**
+ * \file
+ * This file contain structures and function prototypes related
+ * to the playlist in vlc
+ */
+
+/**
+ * \defgroup vlc_playlist Playlist
+ * Brief description. Longer description
+ * @{
+ */
+
+/**
+ * playlist export helper structure
+ */
+struct playlist_export_t
+{
+ char *psz_filename;
+ FILE *p_file;
+};
+
+struct item_parent_t
+{
+ int i_view;
+ playlist_item_t *p_parent;
+};
+
+/**
+ * playlist item / node
+ * \see playlist_t
+ */
struct playlist_item_t
{
- char * psz_name;
- char * psz_uri;
- char ** ppsz_options;
- int i_options;
- int i_type; /* unused yet */
- int i_status; /* unused yet */
- vlc_bool_t b_autodeletion;
+ input_item_t input; /**< input item descriptor */
+
+ /* Tree specific fields */
+ int i_children; /**< Number of children
+ -1 if not a node */
+ playlist_item_t **pp_children; /**< Children nodes/items */
+ int i_parents; /**< Number of parents */
+ struct item_parent_t **pp_parents; /**< Parents */
+ int i_serial; /**< Has this node been updated ? */
+
+ uint8_t i_flags; /**< Flags */
+
+
+ int i_nb_played; /**< How many times was this item played ? */
+
+ /* LEGACY FIELDS */
+ vlc_bool_t b_autodeletion; /**< Indicates whther this item is to
+ * be deleted after playback. True mean
+ * that this item is to be deleted
+ * after playback, false otherwise */
+ vlc_bool_t b_enabled; /**< Indicates whether this item is to be
+ * played or skipped */
+ /* END LEGACY FIELDS */
};
-/*****************************************************************************
- * playlist_t: playlist structure
- *****************************************************************************
- * The structure contains information about the size and browsing mode of
- * the playlist, a change lock, a dynamic array of playlist items, and a
- * current item which is an exact copy of one of the array members.
- *****************************************************************************/
+#define PLAYLIST_SAVE_FLAG 0x01 /**< Must it be saved */
+#define PLAYLIST_SKIP_FLAG 0x02 /**< Must playlist skip after it ? */
+#define PLAYLIST_ENA_FLAG 0x04 /**< Is it enabled ? */
+#define PLAYLIST_DEL_FLAG 0x08 /**< Autodelete ? */
+#define PLAYLIST_RO_FLAG 0x10 /**< Write-enabled ? */
+
+/**
+ * playlist view
+ * \see playlist_t
+*/
+struct playlist_view_t
+{
+ char * psz_name; /**< View name */
+ int i_id; /**< Identifier for the view */
+ playlist_item_t * p_root; /**< Root node */
+};
+
+
+/**
+ * predefined views
+ *
+ */
+#define VIEW_CATEGORY 1
+#define VIEW_SIMPLE 2
+#define VIEW_ALL 3
+#define VIEW_FIRST_SORTED 4
+#define VIEW_S_AUTHOR 4
+
+#define VIEW_LAST_SORTED 4
+
+#define VIEW_FIRST_CUSTOM 100
+
+/**
+ * Playlist status
+ */
+typedef enum { PLAYLIST_STOPPED,PLAYLIST_RUNNING,PLAYLIST_PAUSED } playlist_status_t;
+
+
+struct services_discovery_t
+{
+ VLC_COMMON_MEMBERS
+ const char *psz_module;
+
+ module_t *p_module;
+
+ services_discovery_sys_t *p_sys;
+ void (*pf_run) ( services_discovery_t *);
+};
+
+struct playlist_preparse_t
+{
+ VLC_COMMON_MEMBERS
+ vlc_mutex_t lock;
+ int i_waiting;
+ input_item_t **pp_waiting;
+};
+
+
+/**
+ * Structure containing information about the playlist
+ */
struct playlist_t
{
VLC_COMMON_MEMBERS
+/**
+ \name playlist_t
+ These members are uniq to playlist_t
+*/
+/*@{*/
+ int i_index; /**< current index into the playlist */
+ int i_enabled; /**< How many items are enabled ? */
+
+ int i_size; /**< total size of the list */
+ playlist_item_t ** pp_items; /**< array of pointers to the
+ * playlist items */
+
+ int i_views; /**< Number of views */
+ playlist_view_t ** pp_views; /**< array of pointers to the
+ * playlist views */
- int i_index; /* current index */
- int i_status;
- int i_size; /* total size */
+ input_thread_t * p_input; /**< the input thread ascosiated
+ * with the current item */
- playlist_item_t ** pp_items;
+ mtime_t request_date; /**< Used for profiling */
- input_thread_t * p_input;
+ int i_last_id; /**< Last id to an item */
+ int i_sort; /**< Last sorting applied to the playlist */
+ int i_order; /**< Last ordering applied to the playlist */
+
+ playlist_item_t * p_general; /**< Keep a pointer on the "general"
+ category */
+
+ services_discovery_t **pp_sds;
+ int i_sds;
+
+ vlc_bool_t b_go_next; /*< Go further than the parent node ? */
+
+ struct {
+ /* Current status */
+ playlist_status_t i_status; /**< Current status of playlist */
+
+ /* R/O fields, don't touch if you aren't the playlist thread */
+ /* Use a request */
+ playlist_item_t * p_item; /**< Currently playing/active item */
+ playlist_item_t * p_node; /**< Current node to play from */
+ int i_view; /**< Current view */
+ } status;
+
+ struct {
+ /* Request */
+ /* Playlist thread uses this info to calculate the next position */
+ int i_view; /**< requested view id */
+ playlist_item_t * p_node; /**< requested node to play from */
+ playlist_item_t * p_item; /**< requested item to play in the node */
+
+ int i_skip; /**< Number of items to skip */
+ int i_goto; /**< Direct index to go to (non-view)*/
+
+ vlc_bool_t b_request; /**< Set to true by the requester
+ The playlist sets it back to false
+ when processing the request */
+ vlc_mutex_t lock; /**< Lock to protect request */
+ } request;
+
+ playlist_preparse_t *p_preparse;
+
+ /*@}*/
};
-/*****************************************************************************
- * Playlist status
- *****************************************************************************/
-#define PLAYLIST_STOPPED 0
-#define PLAYLIST_RUNNING 1
-#define PLAYLIST_PAUSED 2
+/* Helper to add an item */
+struct playlist_add_t
+{
+ playlist_item_t *p_node;
+ playlist_item_t *p_item;
+ int i_view;
+ int i_position;
+};
+
+#define SORT_ID 0
+#define SORT_TITLE 1
+#define SORT_TITLE_NODES_FIRST 2
+#define SORT_AUTHOR 3
+#define SORT_RANDOM 4
+#define SORT_DURATION 5
+
+#define ORDER_NORMAL 0
+#define ORDER_REVERSE 1
/*****************************************************************************
* Prototypes
*****************************************************************************/
+
+/* Creation/Deletion */
#define playlist_Create(a) __playlist_Create(VLC_OBJECT(a))
playlist_t * __playlist_Create ( vlc_object_t * );
-void playlist_Destroy ( playlist_t * );
-
-#define playlist_Play(p) playlist_Command(p,PLAYLIST_PLAY,0)
-#define playlist_Pause(p) playlist_Command(p,PLAYLIST_PAUSE,0)
-#define playlist_Stop(p) playlist_Command(p,PLAYLIST_STOP,0)
-#define playlist_Next(p) playlist_Command(p,PLAYLIST_SKIP,1)
-#define playlist_Prev(p) playlist_Command(p,PLAYLIST_SKIP,-1)
-#define playlist_Skip(p,i) playlist_Command(p,PLAYLIST_SKIP,i)
-#define playlist_Goto(p,i) playlist_Command(p,PLAYLIST_GOTO,i)
-VLC_EXPORT( void, playlist_Command, ( playlist_t *, int, int ) );
-
-VLC_EXPORT( int, playlist_Add, ( playlist_t *, const char *, const char **, int, int, int ) );
-VLC_EXPORT( int, playlist_AddName, (playlist_t *,const char *,const char *, const char **, int, int,int ) );
-VLC_EXPORT( int, playlist_AddItem, ( playlist_t *, playlist_item_t *, int, int ) );
+int playlist_Destroy ( playlist_t * );
+
+/* Playlist control */
+#define playlist_Play(p) playlist_Control(p,PLAYLIST_PLAY )
+#define playlist_Pause(p) playlist_Control(p,PLAYLIST_PAUSE )
+#define playlist_Stop(p) playlist_Control(p,PLAYLIST_STOP )
+#define playlist_Next(p) playlist_Control(p,PLAYLIST_SKIP , 1)
+#define playlist_Prev(p) playlist_Control(p,PLAYLIST_SKIP , -1)
+#define playlist_Skip(p,i) playlist_Control(p,PLAYLIST_SKIP,i)
+#define playlist_Goto(p,i) playlist_Control(p,PLAYLIST_GOTO,i)
+
+VLC_EXPORT( int, playlist_Control, ( playlist_t *, int, ... ) );
+
+VLC_EXPORT( int, playlist_Clear, ( playlist_t * ) );
+VLC_EXPORT( int, playlist_LockClear, ( playlist_t * ) );
+
+VLC_EXPORT( int, playlist_PreparseEnqueue, (playlist_t *, input_item_t *) );
+
+/* Services discovery */
+
+VLC_EXPORT( int, playlist_ServicesDiscoveryAdd, (playlist_t *, const char *));
+VLC_EXPORT( int, playlist_ServicesDiscoveryRemove, (playlist_t *, const char *));
+VLC_EXPORT( int, playlist_AddSDModules, (playlist_t *, char *));
+VLC_EXPORT( vlc_bool_t, playlist_IsServicesDiscoveryLoaded, ( playlist_t *,const char *));
+
+
+/* Item management functions (act on items) */
+#define playlist_AddItem(p,pi,i1,i2) playlist_ItemAdd(p,pi,i1,i2)
+#define playlist_ItemNew( a , b, c ) __playlist_ItemNew(VLC_OBJECT(a) , b , c )
+VLC_EXPORT( playlist_item_t* , __playlist_ItemNew, ( vlc_object_t *,const char *,const char * ) );
+VLC_EXPORT( playlist_item_t* , playlist_ItemNewWithType, ( vlc_object_t *,const char *,const char *, int ) );
+VLC_EXPORT( int, playlist_ItemDelete, ( playlist_item_t * ) );
+VLC_EXPORT( int, playlist_ItemAddParent, ( playlist_item_t *, int,playlist_item_t *) );
+VLC_EXPORT( int, playlist_CopyParents, ( playlist_item_t *,playlist_item_t *) );
+/* Item informations accessors */
+VLC_EXPORT( int, playlist_ItemSetName, (playlist_item_t *, char * ) );
+VLC_EXPORT( int, playlist_ItemSetDuration, (playlist_item_t *, mtime_t ) );
+
+
+/* View management functions */
+VLC_EXPORT( int, playlist_ViewInsert, (playlist_t *, int, char * ) );
+VLC_EXPORT( int, playlist_ViewDelete, (playlist_t *,playlist_view_t* ) );
+VLC_EXPORT( playlist_view_t *, playlist_ViewFind, (playlist_t *, int ) );
+VLC_EXPORT( int, playlist_ViewUpdate, (playlist_t *, int ) );
+VLC_EXPORT( int, playlist_ViewDump, (playlist_t *, playlist_view_t * ) );
+VLC_EXPORT( int, playlist_ViewEmpty, (playlist_t *, int, vlc_bool_t ) );
+
+/* Node management */
+VLC_EXPORT( playlist_item_t *, playlist_NodeCreate, ( playlist_t *,int,char *, playlist_item_t * p_parent ) );
+VLC_EXPORT( int, playlist_NodeAppend, (playlist_t *,int,playlist_item_t*,playlist_item_t *) );
+VLC_EXPORT( int, playlist_NodeInsert, (playlist_t *,int,playlist_item_t*,playlist_item_t *, int) );
+VLC_EXPORT( int, playlist_NodeRemoveItem, (playlist_t *,playlist_item_t*,playlist_item_t *) );
+VLC_EXPORT( int, playlist_NodeChildrenCount, (playlist_t *,playlist_item_t* ) );
+VLC_EXPORT( playlist_item_t *, playlist_ChildSearchName, (playlist_item_t*, const char* ) );
+VLC_EXPORT( int, playlist_NodeDelete, ( playlist_t *, playlist_item_t *, vlc_bool_t , vlc_bool_t ) );
+VLC_EXPORT( int, playlist_NodeEmpty, ( playlist_t *, playlist_item_t *, vlc_bool_t ) );
+
+/* Tree walking */
+playlist_item_t *playlist_FindNextFromParent( playlist_t *p_playlist,
+ int i_view,
+ playlist_item_t *p_root,
+ playlist_item_t *p_node,
+ playlist_item_t *p_item );
+playlist_item_t *playlist_FindPrevFromParent( playlist_t *p_playlist,
+ int i_view,
+ playlist_item_t *p_root,
+ playlist_item_t *p_node,
+ playlist_item_t *p_item );
+
+
+/* Simple add/remove functions */
+/* These functions add the item to the "simple" view (+all & category )*/
+VLC_EXPORT( int, playlist_Add, ( playlist_t *, const char *, const char *, int, int ) );
+VLC_EXPORT( int, playlist_AddExt, ( playlist_t *, const char *, const char *, int, int, mtime_t, const char **,int ) );
+VLC_EXPORT( int, playlist_ItemAdd, ( playlist_t *, playlist_item_t *, int, int ) );
+VLC_EXPORT(int, playlist_NodeAddItem, ( playlist_t *, playlist_item_t *,int,playlist_item_t *,int , int ) );
+
+/* Misc item operations (act on item+playlist) */
VLC_EXPORT( int, playlist_Delete, ( playlist_t *, int ) );
+VLC_EXPORT( int, playlist_LockDelete, ( playlist_t *, int ) );
+VLC_EXPORT( int, playlist_Disable, ( playlist_t *, playlist_item_t * ) );
+VLC_EXPORT( int, playlist_Enable, ( playlist_t *, playlist_item_t * ) );
+VLC_EXPORT( int, playlist_ItemToNode, (playlist_t *,playlist_item_t *) );
+VLC_EXPORT( int, playlist_LockItemToNode, (playlist_t *,playlist_item_t *) );
+VLC_EXPORT( int, playlist_Replace, (playlist_t *,playlist_item_t *, input_item_t*) );
+VLC_EXPORT( int, playlist_LockReplace, (playlist_t *,playlist_item_t *, input_item_t*) );
+
+
+/* Item search functions */
+VLC_EXPORT( playlist_item_t *, playlist_ItemGetById, (playlist_t *, int) );
+VLC_EXPORT( playlist_item_t *, playlist_LockItemGetById, (playlist_t *, int) );
+VLC_EXPORT( playlist_item_t *, playlist_ItemGetByPos, (playlist_t *, int) );
+VLC_EXPORT( playlist_item_t *, playlist_LockItemGetByPos, (playlist_t *, int) );
+VLC_EXPORT( playlist_item_t *, playlist_ItemGetByInput, (playlist_t *,input_item_t * ) );
+VLC_EXPORT( playlist_item_t *, playlist_LockItemGetByInput, (playlist_t *,input_item_t * ) );
+VLC_EXPORT( int, playlist_GetPositionById, (playlist_t *,int ) );
+
+VLC_EXPORT( int, playlist_ItemAddOption, (playlist_item_t *, const char *) );
+
+/* Playlist sorting */
+#define playlist_SortID(p, i) playlist_Sort( p, SORT_ID, i)
+#define playlist_SortTitle(p, i) playlist_Sort( p, SORT_TITLE, i)
+#define playlist_SortAuthor(p, i) playlist_Sort( p, SORT_AUTHOR, i)
+#define playlist_SortGroup(p, i) playlist_Sort( p, SORT_GROUP, i)
+VLC_EXPORT( int, playlist_Sort, ( playlist_t *, int, int) );
VLC_EXPORT( int, playlist_Move, ( playlist_t *, int, int ) );
-VLC_EXPORT( int, playlist_LoadFile, ( playlist_t *, const char * ) );
-VLC_EXPORT( int, playlist_SaveFile, ( playlist_t *, const char * ) );
+VLC_EXPORT( int, playlist_NodeGroup, ( playlist_t *, int,playlist_item_t *,playlist_item_t **,int, int, int ) );
+VLC_EXPORT( int, playlist_NodeSort, ( playlist_t *, playlist_item_t *,int, int ) );
+VLC_EXPORT( int, playlist_RecursiveNodeSort, ( playlist_t *, playlist_item_t *,int, int ) );
+
+/* Load/Save */
+VLC_EXPORT( int, playlist_Import, ( playlist_t *, const char * ) );
+VLC_EXPORT( int, playlist_Export, ( playlist_t *, const char *, const char * ) );
+/***********************************************************************
+ * Inline functions
+ ***********************************************************************/
+
+
+/**
+ * tell if a playlist is currently playing.
+ * \param p_playlist the playlist to check
+ * \return true if playlist is playing, false otherwise
+ */
static inline vlc_bool_t playlist_IsPlaying( playlist_t * p_playlist )
{
vlc_bool_t b_playing;
vlc_mutex_lock( &p_playlist->object_lock );
- b_playing = p_playlist->i_status == PLAYLIST_RUNNING;
+ b_playing = p_playlist->status.i_status == PLAYLIST_RUNNING;
vlc_mutex_unlock( &p_playlist->object_lock );
return( b_playing );
}
+/**
+ * tell if a playlist is currently empty
+ * \param p_playlist the playlist to check
+ * \return true if the playlist is empty, false otherwise
+ */
static inline vlc_bool_t playlist_IsEmpty( playlist_t * p_playlist )
{
vlc_bool_t b_empty;
return( b_empty );
}
+
+
+
+/**
+ * @}
+ */