112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_SONG_H
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#define MPD_SONG_H
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#include "util/list.h"
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#include <stddef.h>
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#include <stdbool.h>
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#include <sys/time.h>
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#define SONG_FILE "file: "
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#define SONG_TIME "Time: "
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struct song {
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/**
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* Pointers to the siblings of this directory within the
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* parent directory. It is unused (undefined) if this song is
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* not in the database.
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*
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* This attribute is protected with the global #db_mutex.
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* Read access in the update thread does not need protection.
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*/
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struct list_head siblings;
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struct tag *tag;
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struct directory *parent;
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time_t mtime;
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/**
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* Start of this sub-song within the file in milliseconds.
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*/
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unsigned start_ms;
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/**
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* End of this sub-song within the file in milliseconds.
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* Unused if zero.
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*/
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unsigned end_ms;
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char uri[sizeof(int)];
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};
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/** allocate a new song with a remote URL */
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struct song *
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song_remote_new(const char *uri);
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/** allocate a new song with a local file name */
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struct song *
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song_file_new(const char *path, struct directory *parent);
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/**
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* allocate a new song structure with a local file name and attempt to
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* load its metadata. If all decoder plugin fail to read its meta
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* data, NULL is returned.
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*/
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struct song *
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song_file_load(const char *path, struct directory *parent);
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void
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song_free(struct song *song);
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bool
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song_file_update(struct song *song);
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bool
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song_file_update_inarchive(struct song *song);
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/**
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* Returns the URI of the song in UTF-8 encoding, including its
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* location within the music directory.
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*
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* The return value is allocated on the heap, and must be freed by the
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* caller.
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*/
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char *
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song_get_uri(const struct song *song);
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double
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song_get_duration(const struct song *song);
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static inline bool
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song_in_database(const struct song *song)
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{
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return song->parent != NULL;
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}
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static inline bool
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song_is_file(const struct song *song)
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{
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return song_in_database(song) || song->uri[0] == '/';
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}
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#endif
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