94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/*
|
|
* Copyright (C) 2003-2014 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_LIGHT_SONG_HXX
|
|
#define MPD_LIGHT_SONG_HXX
|
|
|
|
#include "Chrono.hxx"
|
|
#include "Compiler.h"
|
|
|
|
#include <string>
|
|
|
|
#include <time.h>
|
|
|
|
struct Tag;
|
|
|
|
/**
|
|
* A reference to a song file. Unlike the other "Song" classes in the
|
|
* MPD code base, this one consists only of pointers. It is supposed
|
|
* to be as light as possible while still providing all the
|
|
* information MPD has about a song file. This class does not manage
|
|
* any memory, and the pointers become invalid quickly. Only to be
|
|
* used to pass around during well-defined situations.
|
|
*/
|
|
struct LightSong {
|
|
/**
|
|
* If this is not nullptr, then it denotes a prefix for the
|
|
* #uri. To build the full URI, join directory and uri with a
|
|
* slash.
|
|
*/
|
|
const char *directory;
|
|
|
|
const char *uri;
|
|
|
|
/**
|
|
* The "real" URI, the one to be used for opening the
|
|
* resource. If this attribute is nullptr, then #uri (and
|
|
* #directory) shall be used.
|
|
*
|
|
* This attribute is used for songs from the database which
|
|
* have a relative URI.
|
|
*/
|
|
const char *real_uri;
|
|
|
|
/**
|
|
* Must not be nullptr.
|
|
*/
|
|
const Tag *tag;
|
|
|
|
time_t mtime;
|
|
|
|
/**
|
|
* Start of this sub-song within the file.
|
|
*/
|
|
SongTime start_time;
|
|
|
|
/**
|
|
* End of this sub-song within the file.
|
|
* Unused if zero.
|
|
*/
|
|
SongTime end_time;
|
|
|
|
gcc_pure
|
|
std::string GetURI() const {
|
|
if (directory == nullptr)
|
|
return std::string(uri);
|
|
|
|
std::string result(directory);
|
|
result.push_back('/');
|
|
result.append(uri);
|
|
return result;
|
|
}
|
|
|
|
gcc_pure
|
|
SignedSongTime GetDuration() const;
|
|
};
|
|
|
|
#endif
|