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.
21 #include <boost/filesystem.hpp>
23 #include "image_content.h"
24 #include "image_decoder.h"
26 #include "image_proxy.h"
28 #include "exceptions.h"
33 using boost::shared_ptr;
36 ImageDecoder::ImageDecoder (shared_ptr<const Film> f, shared_ptr<const ImageContent> c)
47 if (_video_position >= _image_content->video_length ()) {
51 if (_image && _image_content->still ()) {
52 video (_image, true, _video_position);
56 shared_ptr<const Film> film = _film.lock ();
59 _image.reset (new MagickImageProxy (_image_content->path (_image_content->still() ? 0 : _video_position), film->log ()));
60 video (_image, false, _video_position);
64 ImageDecoder::seek (VideoContent::Frame frame, bool)
66 _video_position = frame;
70 ImageDecoder::done () const
72 return _video_position >= _image_content->video_length ();