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/*
* Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_PLAYLIST_H
#define MPD_PLAYLIST_H
#include "queue.h"
#include <stdbool.h>
#define PLAYLIST_COMMENT '#'
struct player_control;
enum playlist_result {
PLAYLIST_RESULT_SUCCESS,
PLAYLIST_RESULT_ERRNO,
PLAYLIST_RESULT_DENIED,
PLAYLIST_RESULT_NO_SUCH_SONG,
PLAYLIST_RESULT_NO_SUCH_LIST,
PLAYLIST_RESULT_LIST_EXISTS,
PLAYLIST_RESULT_BAD_NAME,
PLAYLIST_RESULT_BAD_RANGE,
PLAYLIST_RESULT_NOT_PLAYING,
PLAYLIST_RESULT_TOO_LARGE,
PLAYLIST_RESULT_DISABLED,
};
struct playlist {
/**
* The song queue - it contains the "real" playlist.
*/
struct queue queue;
/**
* This value is true if the player is currently playing (or
* should be playing).
*/
bool playing;
/**
* If true, then any error is fatal; if false, MPD will
* attempt to play the next song on non-fatal errors. During
* seeking, this flag is set.
*/
bool stop_on_error;
/**
* Number of errors since playback was started. If this
* number exceeds the length of the playlist, MPD gives up,
* because all songs have been tried.
*/
unsigned error_count;
/**
* The "current song pointer". This is the song which is
* played when we get the "play" command. It is also the song
* which is currently being played.
*/
int current;
/**
* The "next" song to be played, when the current one
* finishes. The decoder thread may start decoding and
* buffering it, while the "current" song is still playing.
*
* This variable is only valid if #playing is true.
*/
int queued;
};
/** the global playlist object */
extern struct playlist g_playlist;
void
playlist_global_init(void);
void
playlist_global_finish(void);
void
playlist_init(struct playlist *playlist);
void
playlist_finish(struct playlist *playlist);
void
playlist_tag_changed(struct playlist *playlist);
/**
* Returns the "queue" object of the global playlist instance.
*/
static inline const struct queue *
playlist_get_queue(const struct playlist *playlist)
{
return &playlist->queue;
}
void
playlist_clear(struct playlist *playlist, struct player_control *pc);
#ifndef WIN32
/**
* Appends a local file (outside the music database) to the playlist,
* but only if the file's owner is equal to the specified uid.
*/
enum playlist_result
playlist_append_file(struct playlist *playlist, struct player_control *pc,
const char *path, int uid, unsigned *added_id);
#endif
enum playlist_result
playlist_append_uri(struct playlist *playlist, struct player_control *pc,
const char *file, unsigned *added_id);
enum playlist_result
playlist_append_song(struct playlist *playlist, struct player_control *pc,
struct song *song, unsigned *added_id);
enum playlist_result
playlist_delete(struct playlist *playlist, struct player_control *pc,
unsigned song);
/**
* Deletes a range of songs from the playlist.
*
* @param start the position of the first song to delete
* @param end the position after the last song to delete
*/
enum playlist_result
playlist_delete_range(struct playlist *playlist, struct player_control *pc,
unsigned start, unsigned end);
enum playlist_result
playlist_delete_id(struct playlist *playlist, struct player_control *pc,
unsigned song);
void
playlist_stop(struct playlist *playlist, struct player_control *pc);
enum playlist_result
playlist_play(struct playlist *playlist, struct player_control *pc,
int song);
enum playlist_result
playlist_play_id(struct playlist *playlist, struct player_control *pc,
int song);
void
playlist_next(struct playlist *playlist, struct player_control *pc);
void
playlist_sync(struct playlist *playlist, struct player_control *pc);
void
playlist_previous(struct playlist *playlist, struct player_control *pc);
void
playlist_shuffle(struct playlist *playlist, struct player_control *pc,
unsigned start, unsigned end);
void
playlist_delete_song(struct playlist *playlist, struct player_control *pc,
const struct song *song);
enum playlist_result
playlist_move_range(struct playlist *playlist, struct player_control *pc,
unsigned start, unsigned end, int to);
enum playlist_result
playlist_move_id(struct playlist *playlist, struct player_control *pc,
unsigned id, int to);
enum playlist_result
playlist_swap_songs(struct playlist *playlist, struct player_control *pc,
unsigned song1, unsigned song2);
enum playlist_result
playlist_swap_songs_id(struct playlist *playlist, struct player_control *pc,
unsigned id1, unsigned id2);
bool
playlist_get_repeat(const struct playlist *playlist);
void
playlist_set_repeat(struct playlist *playlist, struct player_control *pc,
bool status);
bool
playlist_get_random(const struct playlist *playlist);
void
playlist_set_random(struct playlist *playlist, struct player_control *pc,
bool status);
bool
playlist_get_single(const struct playlist *playlist);
void
playlist_set_single(struct playlist *playlist, struct player_control *pc,
bool status);
bool
playlist_get_consume(const struct playlist *playlist);
void
playlist_set_consume(struct playlist *playlist, bool status);
int
playlist_get_current_song(const struct playlist *playlist);
int
playlist_get_next_song(const struct playlist *playlist);
unsigned
playlist_get_song_id(const struct playlist *playlist, unsigned song);
int
playlist_get_length(const struct playlist *playlist);
unsigned long
playlist_get_version(const struct playlist *playlist);
enum playlist_result
playlist_seek_song(struct playlist *playlist, struct player_control *pc,
unsigned song, float seek_time);
enum playlist_result
playlist_seek_song_id(struct playlist *playlist, struct player_control *pc,
unsigned id, float seek_time);
void
playlist_increment_version_all(struct playlist *playlist);
#endif
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