2 Copyright (C) 2012 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.cc
22 * @brief A class to describe one of FFmpeg's video or audio filters.
27 #include <libavfilter/avfilter.h>
29 #include <boost/foreach.hpp>
35 vector<Filter const *> Filter::_filters;
38 * @param n User-visible name.
39 * @param c User-visible category.
40 * @param f String for a FFmpeg filter descriptor.
42 Filter::Filter (string i, string n, string c, string f)
51 /** @return All available filters */
52 vector<Filter const *>
58 /** Set up the static _filters vector; must be called before from_*
62 Filter::setup_filters ()
64 /* Note: "none" is a magic id name, so don't use it here */
66 maybe_add (N_("mcdeint"), _("Motion compensating deinterlacer"), _("De-interlacing"), N_("mcdeint"));
67 maybe_add (N_("kerndeint"), _("Kernel deinterlacer"), _("De-interlacing"), N_("kerndeint"));
68 maybe_add (N_("yadif"), _("Yet Another Deinterlacing Filter"), _("De-interlacing"), N_("yadif"));
69 maybe_add (N_("gradfun"), _("Gradient debander"), _("Misc"), N_("gradfun"));
70 maybe_add (N_("unsharp"), _("Unsharp mask and Gaussian blur"), _("Misc"), N_("unsharp"));
71 maybe_add (N_("denoise3d"), _("3D denoiser"), _("Noise reduction"), N_("denoise3d"));
72 maybe_add (N_("hqdn3d"), _("High quality 3D denoiser"), _("Noise reduction"), N_("hqdn3d"));
73 maybe_add (N_("telecine"), _("Telecine filter"), _("Misc"), N_("telecine"));
74 maybe_add (N_("ow"), _("Overcomplete wavelet denoiser"), _("Noise reduction"), N_("mp=ow"));
78 Filter::maybe_add (string i, string n, string c, string f)
80 if (avfilter_get_by_name (i.c_str())) {
81 _filters.push_back (new Filter (i, n, c, f));
85 /** @param filters Set of filters.
86 * @return String to pass to FFmpeg for the video filters.
89 Filter::ffmpeg_string (vector<Filter const *> const & filters)
93 BOOST_FOREACH (Filter const * i, filters) {
104 * @return Corresponding Filter, or 0.
107 Filter::from_id (string d)
109 vector<Filter const *>::iterator i = _filters.begin ();
110 while (i != _filters.end() && (*i)->id() != d) {
114 if (i == _filters.end ()) {