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/*
Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "filter_graph.h"
class VideoFilterGraph : public FilterGraph
{
public:
VideoFilterGraph (dcp::Size s, AVPixelFormat p, dcp::Fraction r);
bool can_process (dcp::Size s, AVPixelFormat p) const;
std::list<std::pair<std::shared_ptr<const Image>, int64_t>> process (AVFrame * frame);
std::list<std::shared_ptr<const Image>> process(std::shared_ptr<const Image> image);
protected:
std::string src_parameters () const override;
std::string src_name () const override;
void set_parameters (AVFilterContext* context) const override;
std::string sink_name () const override;
private:
dcp::Size _size; ///< size of the images that this chain can process
AVPixelFormat _pixel_format; ///< pixel format of the images that this chain can process
dcp::Fraction _frame_rate;
};
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