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/filter.h
21 * @brief A class to describe one of FFmpeg's video or post-processing filters.
24 #ifndef DCPOMATIC_FILTER_H
25 #define DCPOMATIC_FILTER_H
27 #include <boost/utility.hpp>
32 * @brief A class to describe one of FFmpeg's video filters.
34 * We don't support FFmpeg's post-processing filters here as they cannot cope with greater than
35 * 8bpp. FFmpeg quantizes e.g. yuv422p10le down to yuv422p before running such filters, which
36 * we don't really want to do.
38 class Filter : public boost::noncopyable
41 Filter (std::string, std::string, std::string, std::string);
44 std::string id () const {
48 /** @return user-visible name */
49 std::string name () const {
53 /** @return string for a FFmpeg video filter descriptor */
54 std::string vf () const {
58 std::string category () const {
62 static std::vector<Filter const *> all ();
63 static Filter const * from_id (std::string);
64 static void setup_filters ();
65 static std::string ffmpeg_string (std::vector<Filter const *> const &);
71 /** user-visible name */
73 std::string _category;
74 /** string for a FFmpeg video filter descriptor */
77 /** all available filters */
78 static std::vector<Filter const *> _filters;
79 static void maybe_add (std::string, std::string, std::string, std::string);