2 Copyright (C) 2012 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.cc
21 * @brief Parent class for decoders of content.
26 #include <boost/lexical_cast.hpp>
31 #include "exceptions.h"
36 #include "delay_line.h"
38 #include "filter_graph.h"
41 using std::stringstream;
45 using boost::shared_ptr;
46 using boost::optional;
50 * @param j Job that we are running within, or 0
52 Decoder::Decoder (boost::shared_ptr<Film> f, boost::shared_ptr<const DecodeOptions> o, Job* j)
57 _film_connection = f->Changed.connect (bind (&Decoder::film_changed, this, _1));
61 * @param p Position as a source timestamp in seconds.
62 * @return true on error.
65 Decoder::seek (double p)
67 throw DecodeError ("decoder does not support seek");
70 /** Seek so that the next frame we will produce is the same as the last one.
71 * @return true on error.
74 Decoder::seek_to_last ()
76 throw DecodeError ("decoder does not support seek");