2 Copyright (C) 2012-2021 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/>.
22 #include "filter_graph.h"
25 class VideoFilterGraph : public FilterGraph
28 VideoFilterGraph (dcp::Size s, AVPixelFormat p, dcp::Fraction r);
30 bool can_process (dcp::Size s, AVPixelFormat p) const;
31 std::list<std::pair<std::shared_ptr<Image>, int64_t>> process (AVFrame * frame);
34 std::string src_parameters () const override;
35 std::string src_name () const override;
36 void set_parameters (AVFilterContext* context) const override;
37 std::string sink_name () const override;
40 dcp::Size _size; ///< size of the images that this chain can process
41 AVPixelFormat _pixel_format; ///< pixel format of the images that this chain can process
42 dcp::Fraction _frame_rate;