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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/filter.h
* @brief A class to describe one of FFmpeg's video or post-processing filters.
*/
#ifndef DCPOMATIC_FILTER_H
#define DCPOMATIC_FILTER_H
#include <boost/utility.hpp>
#include <string>
#include <vector>
/** @class Filter
* @brief A class to describe one of FFmpeg's video filters.
*
* We don't support FFmpeg's post-processing filters here as they cannot cope with greater than
* 8bpp. FFmpeg quantizes e.g. yuv422p10le down to yuv422p before running such filters, which
* we don't really want to do.
*/
class Filter : public boost::noncopyable
{
public:
Filter (std::string, std::string, std::string, std::string);
/** @return our id */
std::string id () const {
return _id;
}
/** @return user-visible name */
std::string name () const {
return _name;
}
/** @return string for a FFmpeg video filter descriptor */
std::string vf () const {
return _vf;
}
std::string category () const {
return _category;
}
static std::vector<Filter const *> all ();
static Filter const * from_id (std::string);
static void setup_filters ();
static std::string ffmpeg_string (std::vector<Filter const *> const &);
private:
/** our id */
std::string _id;
/** user-visible name */
std::string _name;
std::string _category;
/** string for a FFmpeg video filter descriptor */
std::string _vf;
/** all available filters */
static std::vector<Filter const *> _filters;
static void maybe_add (std::string, std::string, std::string, std::string);
};
#endif
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