vlc/include/vlc_playlist.h

148 lines
5.3 KiB
C

/*****************************************************************************
* vlc_playlist.h : Playlist functions
*****************************************************************************
* Copyright (C) 1999, 2000, 2001, 2002 VideoLAN
* $Id: vlc_playlist.h,v 1.13 2003/09/08 12:02:16 zorglub Exp $
*
* Authors: Samuel Hocevar <sam@zoy.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.
*****************************************************************************/
/**
* \file
* This file contain structures and function prototypes related
* to the playlist in vlc
*/
/**
* \defgroup vlc_playlist Playlist
* Brief description. Longer description
* @{
*/
/**
* playlist item
* \see playlist_t
*/
struct playlist_item_t
{
char * psz_name; /**< text describing this item */
char * psz_uri; /**< mrl of this item */
mtime_t i_duration; /**< A hint about the duration of this
* item, in miliseconds*/
char ** ppsz_options; /**< options passed with the :foo=bar syntax */
int i_options; /**< number of items in the
* ppsz_options array */
int i_type; /**< unused yet */
int i_status; /**< unused yet */
vlc_bool_t b_autodeletion; /**< Indicates wether this item is to
* be deleted after playback. True mean
* that this item is to be deleted
* after playback, false otherwise */
};
/**
* Playlist status
*/
typedef enum { PLAYLIST_STOPPED,PLAYLIST_RUNNING,PLAYLIST_PAUSED } playlist_status_t;
/**
* 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 */
playlist_status_t i_status; /**< current status of playlist */
int i_size; /**< total size of the list */
playlist_item_t ** pp_items; /**< array of pointers to the
* playlist items */
input_thread_t * p_input; /**< the input thread ascosiated
* with the current item */
/*@}*/
};
#define SORT_NORMAL 0
#define SORT_REVERSE 1
/*****************************************************************************
* Prototypes
*****************************************************************************/
#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 *, playlist_command_t, int ) );
VLC_EXPORT( int, playlist_Add, ( playlist_t *, const char *, const char **, int, int, int ) );
VLC_EXPORT( int, playlist_AddExt, ( playlist_t *, const char *, const char *, mtime_t, const char **, int, int, int ) );
VLC_EXPORT( int, playlist_AddItem, ( playlist_t *, playlist_item_t *, int, int ) );
VLC_EXPORT( int, playlist_Delete, ( playlist_t *, int ) );
VLC_EXPORT( int, playlist_Sort, ( playlist_t *, 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 * ) );
/**
* 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;
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;
vlc_mutex_lock( &p_playlist->object_lock );
b_empty = p_playlist->i_size == 0;
vlc_mutex_unlock( &p_playlist->object_lock );
return( b_empty );
}
/**
* @}
*/