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/lib/filter_graph.h
21 * @brief A graph of FFmpeg filters.
24 #ifndef DCPOMATIC_FILTER_GRAPH_H
25 #define DCPOMATIC_FILTER_GRAPH_H
33 /** @class FilterGraph
34 * @brief A graph of FFmpeg filters.
36 class FilterGraph : public boost::noncopyable
39 FilterGraph (boost::shared_ptr<const FFmpegContent> content, dcp::Size s, AVPixelFormat p);
42 bool can_process (dcp::Size s, AVPixelFormat p) const;
43 std::list<std::pair<boost::shared_ptr<Image>, int64_t> > process (AVFrame * frame);
46 AVFilterContext* _buffer_src_context;
47 AVFilterContext* _buffer_sink_context;
48 dcp::Size _size; ///< size of the images that this chain can process
49 AVPixelFormat _pixel_format; ///< pixel format of the images that this chain can process