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-rw-r--r--src/Song.hxx152
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diff --git a/src/Song.hxx b/src/Song.hxx
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-/*
- * Copyright (C) 2003-2013 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_SONG_HXX
-#define MPD_SONG_HXX
-
-#include "util/list.h"
-#include "Compiler.h"
-
-#include <string>
-
-#include <assert.h>
-#include <sys/time.h>
-
-#define SONG_FILE "file: "
-#define SONG_TIME "Time: "
-
-struct Tag;
-
-/**
- * A dummy #directory instance that is used for "detached" song
- * copies.
- */
-extern struct Directory detached_root;
-
-struct Song {
- /**
- * Pointers to the siblings of this directory within the
- * parent directory. It is unused (undefined) if this song is
- * not in the database.
- *
- * This attribute is protected with the global #db_mutex.
- * Read access in the update thread does not need protection.
- */
- struct list_head siblings;
-
- Tag *tag;
- Directory *parent;
- time_t mtime;
-
- /**
- * Start of this sub-song within the file in milliseconds.
- */
- unsigned start_ms;
-
- /**
- * End of this sub-song within the file in milliseconds.
- * Unused if zero.
- */
- unsigned end_ms;
-
- char uri[sizeof(int)];
-
- /** allocate a new song with a remote URL */
- gcc_malloc
- static Song *NewRemote(const char *uri);
-
- /** allocate a new song with a local file name */
- gcc_malloc
- static Song *NewFile(const char *path_utf8, Directory *parent);
-
- /**
- * allocate a new song structure with a local file name and attempt to
- * load its metadata. If all decoder plugin fail to read its meta
- * data, nullptr is returned.
- */
- gcc_malloc
- static Song *LoadFile(const char *path_utf8, Directory *parent);
-
- static Song *LoadFile(const char *path_utf8, Directory &parent) {
- return LoadFile(path_utf8, &parent);
- }
-
- /**
- * Replaces the URI of a song object. The given song object
- * is destroyed, and a newly allocated one is returned. It
- * does not update the reference within the parent directory;
- * the caller is responsible for doing that.
- */
- gcc_malloc
- Song *ReplaceURI(const char *uri);
-
- /**
- * Creates a "detached" song object.
- */
- gcc_malloc
- static Song *NewDetached(const char *uri);
-
- /**
- * Creates a duplicate of the song object. If the object is
- * in the database, it creates a "detached" copy of this song,
- * see Song::IsDetached().
- */
- gcc_malloc
- Song *DupDetached() const;
-
- void Free();
-
- bool IsInDatabase() const {
- return parent != nullptr;
- }
-
- bool IsFile() const {
- return IsInDatabase() || uri[0] == '/';
- }
-
- bool IsDetached() const {
- assert(IsInDatabase());
-
- return parent == &detached_root;
- }
-
- void ReplaceTag(Tag &&tag);
-
- bool UpdateFile();
- bool UpdateFileInArchive();
-
- /**
- * Returns the URI of the song in UTF-8 encoding, including its
- * location within the music directory.
- */
- gcc_pure
- std::string GetURI() const;
-
- gcc_pure
- double GetDuration() const;
-};
-
-/**
- * Returns true if both objects refer to the same physical song.
- */
-gcc_pure
-bool
-SongEquals(const Song &a, const Song &b);
-
-#endif