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 1.11 2003/07/23 01:13:47 gbazin 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  * playlist_item_t: playlist item
  26  *****************************************************************************/
  27 struct playlist_item_t
  28 {
  29     char *     psz_name;
  30     char *     psz_uri;
  31     char **    ppsz_options;
  32     int        i_options;
  33     int        i_type;   /* unused yet */
  34     int        i_status; /* unused yet */
  35     vlc_bool_t b_autodeletion;
  36 };
  37
  38 /*****************************************************************************
  39  * playlist_t: playlist structure
  40  *****************************************************************************
  41  * The structure contains information about the size and browsing mode of
  42  * the playlist, a change lock, a dynamic array of playlist items, and a
  43  * current item which is an exact copy of one of the array members.
  44  *****************************************************************************/
  45 struct playlist_t
  46 {
  47     VLC_COMMON_MEMBERS
  48
  49     int                   i_index;                          /* current index */
  50     int                   i_status;
  51     int                   i_size;                              /* total size */
  52
  53     playlist_item_t **    pp_items;
  54
  55     input_thread_t *      p_input;
  56 };
  57
  58 /*****************************************************************************
  59  * Playlist status
  60  *****************************************************************************/
  61 #define PLAYLIST_STOPPED 0
  62 #define PLAYLIST_RUNNING 1
  63 #define PLAYLIST_PAUSED  2
  64
  65 /*****************************************************************************
  66  * Prototypes
  67  *****************************************************************************/
  68 #define playlist_Create(a) __playlist_Create(VLC_OBJECT(a))
  69 playlist_t * __playlist_Create   ( vlc_object_t * );
  70 void           playlist_Destroy  ( playlist_t * );
  71
  72 #define playlist_Play(p) playlist_Command(p,PLAYLIST_PLAY,0)
  73 #define playlist_Pause(p) playlist_Command(p,PLAYLIST_PAUSE,0)
  74 #define playlist_Stop(p) playlist_Command(p,PLAYLIST_STOP,0)
  75 #define playlist_Next(p) playlist_Command(p,PLAYLIST_SKIP,1)
  76 #define playlist_Prev(p) playlist_Command(p,PLAYLIST_SKIP,-1)
  77 #define playlist_Skip(p,i) playlist_Command(p,PLAYLIST_SKIP,i)
  78 #define playlist_Goto(p,i) playlist_Command(p,PLAYLIST_GOTO,i)
  79 VLC_EXPORT( void, playlist_Command, ( playlist_t *, int, int ) );
  80
  81 VLC_EXPORT( int,  playlist_Add,    ( playlist_t *, const char *, const char **, int, int, int ) );
  82 VLC_EXPORT( int,  playlist_AddName, (playlist_t *,const char *,const char *, const char **, int, int,int ) );
  83 VLC_EXPORT( int,  playlist_AddItem, ( playlist_t *, playlist_item_t *, int, int ) );
  84 VLC_EXPORT( int,  playlist_Delete, ( playlist_t *, int ) );
  85 VLC_EXPORT( int,  playlist_Move, ( playlist_t *, int, int ) );
  86 VLC_EXPORT( int,  playlist_LoadFile, ( playlist_t *, const char * ) );
  87 VLC_EXPORT( int,  playlist_SaveFile, ( playlist_t *, const char * ) );
  88
  89 static inline vlc_bool_t playlist_IsPlaying( playlist_t * p_playlist )
  90 {
  91     vlc_bool_t b_playing;
  92
  93     vlc_mutex_lock( &p_playlist->object_lock );
  94     b_playing = p_playlist->i_status == PLAYLIST_RUNNING;
  95     vlc_mutex_unlock( &p_playlist->object_lock );
  96
  97     return( b_playing );
  98 }
  99
 100 static inline vlc_bool_t playlist_IsEmpty( playlist_t * p_playlist )
 101 {
 102     vlc_bool_t b_empty;
 103
 104     vlc_mutex_lock( &p_playlist->object_lock );
 105     b_empty = p_playlist->i_size == 0;
 106     vlc_mutex_unlock( &p_playlist->object_lock );
 107
 108     return( b_empty );
 109 }