2 Copyright (C) 2012-2015 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/>.
21 /** @file src/filter.h
22 * @brief A class to describe one of FFmpeg's video or audio filters.
25 #ifndef DCPOMATIC_FILTER_H
26 #define DCPOMATIC_FILTER_H
28 #include <boost/utility.hpp>
33 * @brief A class to describe one of FFmpeg's video or audio filters.
35 * We don't support FFmpeg's post-processing filters here as they cannot cope with greater than
36 * 8bpp. FFmpeg quantizes e.g. yuv422p10le down to yuv422p before running such filters, which
37 * we don't really want to do.
39 class Filter : public boost::noncopyable
42 Filter (std::string i, std::string n, std::string c, std::string f);
45 std::string id () const {
49 /** @return user-visible name */
50 std::string name () const {
54 /** @return string for a FFmpeg filter descriptor */
55 std::string ffmpeg () const {
59 std::string category () const {
63 static std::vector<Filter const *> all ();
64 static Filter const * from_id (std::string d);
65 static void setup_filters ();
66 static std::string ffmpeg_string (std::vector<Filter const *> const & filters);
72 /** user-visible name */
74 std::string _category;
75 /** string for a FFmpeg filter descriptor */
78 /** all available filters */
79 static std::vector<Filter const *> _filters;
80 static void maybe_add (std::string, std::string, std::string, std::string);