2 Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef DCPOMATIC_ENCODER_H
22 #define DCPOMATIC_ENCODER_H
25 #include "player_text.h"
26 #include <boost/signals2.hpp>
36 class Encoder : public boost::noncopyable
39 Encoder (std::shared_ptr<const Film> film, std::weak_ptr<Job> job);
40 virtual ~Encoder () {}
42 virtual void go () = 0;
44 /** @return the current frame rate over the last short while */
45 virtual boost::optional<float> current_rate () const {
46 return boost::optional<float>();
49 /** @return the number of frames that are done */
50 virtual Frame frames_done () const = 0;
51 virtual bool finishing () const = 0;
54 std::shared_ptr<const Film> _film;
55 std::weak_ptr<Job> _job;
56 std::shared_ptr<Player> _player;