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.cc
21 * @brief A class to describe one of FFmpeg's video or post-processing filters.
28 vector<Filter const *> Filter::_filters;
31 * @param n User-visible name.
32 * @param v String for a FFmpeg video filter descriptor, or "".
33 * @param p String for a FFmpeg post-processing descriptor, or "".
35 Filter::Filter (string i, string n, string v, string p)
44 /** @return All available filters */
45 vector<Filter const *>
52 /** Set up the static _filters vector; must be called before from_*
56 Filter::setup_filters ()
58 /* Note: "none" is a magic id name, so don't use it here */
60 _filters.push_back (new Filter ("pphb", "Horizontal deblocking filter", "", "hb"));
61 _filters.push_back (new Filter ("ppvb", "Vertical deblocking filter", "", "vb"));
62 _filters.push_back (new Filter ("ppha", "Horizontal deblocking filter A", "", "ha"));
63 _filters.push_back (new Filter ("ppva", "Vertical deblocking filter A", "", "va"));
64 _filters.push_back (new Filter ("pph1", "Experimental horizontal deblocking filter 1", "", "h1"));
65 _filters.push_back (new Filter ("pphv", "Experimental vertical deblocking filter 1", "", "v1"));
66 _filters.push_back (new Filter ("ppdr", "Deringing filter", "", "dr"));
67 _filters.push_back (new Filter ("pplb", "Linear blend deinterlacer", "", "lb"));
68 _filters.push_back (new Filter ("ppli", "Linear interpolating deinterlacer", "", "li"));
69 _filters.push_back (new Filter ("ppci", "Cubic interpolating deinterlacer", "", "ci"));
70 _filters.push_back (new Filter ("ppmd", "Median deinterlacer", "", "md"));
71 _filters.push_back (new Filter ("ppfd", "FFMPEG deinterlacer", "", "fd"));
72 _filters.push_back (new Filter ("ppl5", "FIR low-pass deinterlacer", "", "l5"));
73 _filters.push_back (new Filter ("mcdeint", "Motion compensating deinterlacer", "mcdeint", ""));
74 _filters.push_back (new Filter ("kerndeint", "Kernel deinterlacer", "kerndeint", ""));
75 _filters.push_back (new Filter ("yadif", "Yet Another Deinterlacing Filter", "yadif", ""));
76 _filters.push_back (new Filter ("pptn", "Temporal noise reducer", "", "tn"));
77 _filters.push_back (new Filter ("ppfq", "Force quantizer", "", "fq"));
78 _filters.push_back (new Filter ("gradfun", "Gradient debander", "gradfun", ""));
79 _filters.push_back (new Filter ("unsharp", "Unsharp mask and Gaussian blur", "unsharp", ""));
80 _filters.push_back (new Filter ("denoise3d", "3D denoiser", "denoise3d", ""));
81 _filters.push_back (new Filter ("hqdn3d", "High quality 3D denoiser", "hqdn3d", ""));
82 _filters.push_back (new Filter ("telecine", "Telecine filter", "telecine", ""));
83 _filters.push_back (new Filter ("ow", "Overcomplete wavelet denoiser", "mp=ow", ""));
86 /** @param filters Set of filters.
87 * @return A pair; .first is a string to pass to FFmpeg for the video filters,
88 * .second is a string to pass for the post-processors.
91 Filter::ffmpeg_strings (vector<Filter const *> const & filters)
96 for (vector<Filter const *>::const_iterator i = filters.begin(); i != filters.end(); ++i) {
97 if (!(*i)->vf().empty ()) {
104 if (!(*i)->pp().empty ()) {
112 return make_pair (vf, pp);
116 * @return Corresponding Filter, or 0.
119 Filter::from_id (string d)
121 vector<Filter const *>::iterator i = _filters.begin ();
122 while (i != _filters.end() && (*i)->id() != d) {
126 if (i == _filters.end ()) {