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/scaler.h
21 * @brief A class to describe one of FFmpeg's software scalers.
24 #ifndef DCPOMATIC_SCALER_H
25 #define DCPOMATIC_SCALER_H
31 * @brief Class to describe one of FFmpeg's software scalers
36 Scaler (int f, std::string i, std::string n);
38 /** @return id used for calls to FFmpeg's pp_postprocess */
39 int ffmpeg_id () const {
43 /** @return id for our use */
44 std::string id () const {
48 /** @return user-visible name for this scaler */
49 std::string name () const {
53 static std::vector<Scaler const *> all ();
54 static void setup_scalers ();
55 static Scaler const * from_id (std::string id);
56 static Scaler const * from_index (int);
57 static int as_index (Scaler const *);
61 /** id used for calls to FFmpeg's pp_postprocess */
65 /** user-visible name for this scaler */
68 /** all available scalers */
69 static std::vector<Scaler const *> _scalers;