1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Copyright (C) 2003-2009 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>
#include <stdio.h>
#define PLAYLIST_COMMENT '#'
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 initPlaylist(void);
void finishPlaylist(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 readPlaylistState(FILE *);
void savePlaylistState(FILE *);
void clearPlaylist(struct playlist *playlist);
#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, const char *path, int uid,
unsigned *added_id);
#endif
enum playlist_result
addToPlaylist(struct playlist *playlist, const char *file, unsigned *added_id);
enum playlist_result
addSongToPlaylist(struct playlist *playlist,
struct song *song, unsigned *added_id);
enum playlist_result
deleteFromPlaylist(struct playlist *playlist, unsigned song);
enum playlist_result
deleteFromPlaylistById(struct playlist *playlist, unsigned song);
void stopPlaylist(struct playlist *playlist);
enum playlist_result
playPlaylist(struct playlist *playlist, int song);
enum playlist_result
playPlaylistById(struct playlist *playlist, int song);
void nextSongInPlaylist(struct playlist *playlist);
void syncPlayerAndPlaylist(struct playlist *playlist);
void previousSongInPlaylist(struct playlist *playlist);
void shufflePlaylist(struct playlist *playlist, unsigned start, unsigned end);
void
deleteASongFromPlaylist(struct playlist *playlist, const struct song *song);
enum playlist_result
moveSongRangeInPlaylist(struct playlist *playlist, unsigned start, unsigned end, int to);
enum playlist_result
moveSongInPlaylistById(struct playlist *playlist, unsigned id, int to);
enum playlist_result
swapSongsInPlaylist(struct playlist *playlist, unsigned song1, unsigned song2);
enum playlist_result
swapSongsInPlaylistById(struct playlist *playlist, unsigned id1, unsigned id2);
bool
getPlaylistRepeatStatus(const struct playlist *playlist);
void setPlaylistRepeatStatus(struct playlist *playlist, bool status);
bool
getPlaylistRandomStatus(const struct playlist *playlist);
void setPlaylistRandomStatus(struct playlist *playlist, bool status);
bool
getPlaylistSmartstopStatus(const struct playlist *playlist);
void setPlaylistSmartstopStatus(struct playlist *playlist, bool status);
int getPlaylistCurrentSong(const struct playlist *playlist);
int getPlaylistNextSong(const struct playlist *playlist);
unsigned
getPlaylistSongId(const struct playlist *playlist, unsigned song);
int getPlaylistLength(const struct playlist *playlist);
unsigned long
getPlaylistVersion(const struct playlist *playlist);
enum playlist_result
seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time);
enum playlist_result
seekSongInPlaylistById(struct playlist *playlist,
unsigned id, float seek_time);
void playlistVersionChange(struct playlist *playlist);
int is_valid_playlist_name(const char *utf8path);
#endif
|