git.sesse.net Git - vlc/blob - include/vlc_playlist.h

   1 /*****************************************************************************
   2  * vlc_playlist.h : Playlist functions
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000, 2001, 2002 VideoLAN
   5  * $Id: vlc_playlist.h,v 1.15 2003/10/29 17:32:54 zorglub Exp $
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /**
  25  *  \file
  26  *  This file contain structures and function prototypes related
  27  *  to the playlist in vlc
  28  */
  29
  30 /**
  31  * \defgroup vlc_playlist Playlist
  32  * Brief description. Longer description
  33  * @{
  34  */
  35
  36 /**
  37  * playlist item
  38  * \see playlist_t
  39  */
  40 struct playlist_item_t
  41 {
  42     char *     psz_name;       /**< text describing this item */
  43     char *     psz_uri;        /**< mrl of this item */
  44     mtime_t    i_duration;     /**< A hint about the duration of this
  45                                 * item, in miliseconds*/
  46     char **    ppsz_options;   /**< options passed with the :foo=bar syntax */
  47     int        i_options;      /**< number of items in the
  48                                 * ppsz_options array */
  49     int        i_type;         /**< unused yet */
  50     int        i_status;       /**< unused yet */
  51     vlc_bool_t b_autodeletion; /**< Indicates whther this item is to
  52                                 * be deleted after playback. True mean
  53                                 * that this item is to be deleted
  54                                 * after playback, false otherwise */
  55     vlc_bool_t b_enabled;      /**< Indicates whether this item is to be
  56                                 * played or skipped */
  57
  58     int        i_group;         /**< unused yet */
  59     char *     psz_author;     /**< Author */
  60 };
  61
  62 struct playlist_group_t
  63 {
  64     char *   psz_name;        /**< name of the group */
  65     int      i_id;            /**< Identifier for the group */
  66 };
  67
  68 /**
  69  * Playlist status
  70  */
  71 typedef enum { PLAYLIST_STOPPED,PLAYLIST_RUNNING,PLAYLIST_PAUSED } playlist_status_t;
  72
  73 /**
  74  * Structure containing information about the playlist
  75  */
  76 struct playlist_t
  77 {
  78     VLC_COMMON_MEMBERS
  79 /**
  80    \name playlist_t
  81    These members are uniq to playlist_t
  82 */
  83 /*@{*/
  84     int                   i_index;  /**< current index into the playlist */
  85     playlist_status_t     i_status; /**< current status of playlist */
  86     int                   i_size;   /**< total size of the list */
  87     int                   i_enabled; /**< How many items are enabled ? */
  88     playlist_item_t **    pp_items; /**< array of pointers to the
  89                                      * playlist items */
  90     int                   i_groups; /**< How many groups are in the playlist */
  91     playlist_group_t **   pp_groups;/**< array of pointers to the playlist
  92                                      * groups */
  93     int                   i_max_id; /**< Maximal group id given */
  94     input_thread_t *      p_input;  /**< the input thread ascosiated
  95                                      * with the current item */
  96     /*@}*/
  97 };
  98
  99 #define SORT_NORMAL 0
 100 #define SORT_REVERSE 1
 101
 102 #define PLAYLIST_TYPE_MANUAL 1
 103 #define PLAYLIST_TYPE_SAP 2
 104
 105 /*****************************************************************************
 106  * Prototypes
 107  *****************************************************************************/
 108 #define playlist_Create(a) __playlist_Create(VLC_OBJECT(a))
 109 playlist_t * __playlist_Create   ( vlc_object_t * );
 110 void           playlist_Destroy  ( playlist_t * );
 111
 112 #define playlist_Play(p) playlist_Command(p,PLAYLIST_PLAY,0)
 113 #define playlist_Pause(p) playlist_Command(p,PLAYLIST_PAUSE,0)
 114 #define playlist_Stop(p) playlist_Command(p,PLAYLIST_STOP,0)
 115 #define playlist_Next(p) playlist_Command(p,PLAYLIST_SKIP,1)
 116 #define playlist_Prev(p) playlist_Command(p,PLAYLIST_SKIP,-1)
 117 #define playlist_Skip(p,i) playlist_Command(p,PLAYLIST_SKIP,i)
 118 #define playlist_Goto(p,i) playlist_Command(p,PLAYLIST_GOTO,i)
 119 VLC_EXPORT( void, playlist_Command, ( playlist_t *, playlist_command_t, int ) );
 120
 121 VLC_EXPORT( int,  playlist_Add,    ( playlist_t *, const char *, const char **, int, int, int ) );
 122 VLC_EXPORT( int,  playlist_AddExt,    ( playlist_t *, const char *, const char *, mtime_t, const char **, int, int, int ) );
 123 VLC_EXPORT( int,  playlist_AddItem, ( playlist_t *, playlist_item_t *, int, int ) );
 124 VLC_EXPORT( int,  playlist_Delete, ( playlist_t *, int ) );
 125 VLC_EXPORT( int,  playlist_Disable, ( playlist_t *, int ) );
 126 VLC_EXPORT( int,  playlist_Enable, ( playlist_t *, int ) );
 127 VLC_EXPORT( int,  playlist_DisableGroup, ( playlist_t *, int ) );
 128 VLC_EXPORT( int,  playlist_EnableGroup, ( playlist_t *, int ) );
 129
 130 VLC_EXPORT( playlist_group_t *, playlist_CreateGroup, (playlist_t *, char* ) );
 131 VLC_EXPORT( int, playlist_DeleteGroup, (playlist_t *, int ) );
 132 VLC_EXPORT( char *, playlist_FindGroup, (playlist_t *, int ) );
 133
 134 VLC_EXPORT( int,  playlist_SortTitle, ( playlist_t *, int) );
 135 VLC_EXPORT( int,  playlist_SortAuthor, ( playlist_t *, int) );
 136 VLC_EXPORT( int,  playlist_SortGroup, ( playlist_t *, int) );
 137
 138 VLC_EXPORT( int,  playlist_Move, ( playlist_t *, int, int ) );
 139 VLC_EXPORT( int,  playlist_LoadFile, ( playlist_t *, const char * ) );
 140 VLC_EXPORT( int,  playlist_SaveFile, ( playlist_t *, const char * ) );
 141
 142 /**
 143  *  tell if a playlist is currently playing.
 144  *  \param p_playlist the playlist to check
 145  *  \return true if playlist is playing, false otherwise
 146  */
 147 static inline vlc_bool_t playlist_IsPlaying( playlist_t * p_playlist )
 148 {
 149     vlc_bool_t b_playing;
 150
 151     vlc_mutex_lock( &p_playlist->object_lock );
 152     b_playing = p_playlist->i_status == PLAYLIST_RUNNING;
 153     vlc_mutex_unlock( &p_playlist->object_lock );
 154
 155     return( b_playing );
 156 }
 157
 158 /**
 159  *  tell if a playlist is currently empty
 160  *  \param p_playlist the playlist to check
 161  *  \return true if the playlist is empty, false otherwise
 162  */
 163 static inline vlc_bool_t playlist_IsEmpty( playlist_t * p_playlist )
 164 {
 165     vlc_bool_t b_empty;
 166
 167     vlc_mutex_lock( &p_playlist->object_lock );
 168     b_empty = p_playlist->i_size == 0;
 169     vlc_mutex_unlock( &p_playlist->object_lock );
 170
 171     return( b_empty );
 172 }
 173
 174 /**
 175  * @}
 176  */