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/*
IMMS: Intelligent Multimedia Management System
Copyright (C) 2001-2009 Michael Grigoriev
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 __IDENTIFY_H
#define __IDENTIFY_H
#include <utility>
#include <string>
using std::pair;
using std::string;
typedef pair<string, string> StringPair;
class MixtureModel;
class Song
{
public:
struct Rating
{
Rating(int mean = -1, int dev = 0) : mean(mean), dev(dev) {}
string print();
int sample();
int mean, dev;
};
Song(const string &path = "", int _uid = -1, int _sid = -1);
void set_last(time_t last);
void set_info(const StringPair &info);
void set_rating(const Rating &rating);
void increment_playcounter();
int get_rating(Rating *r = 0);
Rating get_raw_rating();
time_t get_last();
int get_playcounter();
StringPair get_info();
void get_tag_info(string &artist, string &album, string &title) const;
int get_sid() { return sid; }
int get_uid() { return uid; }
const string &get_path() const { return path; }
bool isok() { return uid != -1 && path != ""; }
bool isanalyzed();
void set_acoustic(const MixtureModel &mm, const float *beats);
bool get_acoustic(MixtureModel *mm, float *beats) const;
Rating update_rating();
void infer_rating();
void reset() { playcounter = uid = sid = -1; artist = title = ""; }
protected:
void register_new_sid();
void identify(time_t modtime);
void update_tag_info(const string &artist, const string &album,
const string &title);
int uid, sid, playcounter;
string title, artist, path;
private:
void _identify(time_t modtime, const string &checksum);
};
#endif
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