2 Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/decoder.h
21 * @brief Parent class for decoders of content.
24 #ifndef DCPOMATIC_DECODER_H
25 #define DCPOMATIC_DECODER_H
30 #include <boost/shared_ptr.hpp>
31 #include <boost/signals2.hpp>
40 * @brief Parent class for decoders of content.
45 Decoder (boost::shared_ptr<const Film>);
46 virtual ~Decoder () {}
48 /** Perform one decode pass of the content, which may or may not
49 * cause the object to emit some data.
51 virtual void pass () = 0;
53 virtual bool done () const = 0;
57 /** The Film that we are decoding in */
58 boost::weak_ptr<const Film> _film;
61 /** This will be called when our Film emits Changed */
62 virtual void film_changed (Film::Property) {}
64 /** Connection to our Film */
65 boost::signals2::scoped_connection _film_connection;