2 Copyright (C) 2014 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/>.
22 /** @file src/lib/upmixer_a.h
23 * @brief UpmixerA class.
27 #include "audio_processor.h"
28 #include "audio_filter.h"
32 * @brief Stereo to 5.1 upmixer algorithm by GĂ©rald Maruccia.
34 class UpmixerA : public AudioProcessor
37 explicit UpmixerA (int sampling_rate);
39 std::string name () const;
40 std::string id () const;
41 int out_channels () const;
42 std::shared_ptr<AudioProcessor> clone (int) const;
43 std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels);
45 void make_audio_mapping_default (AudioMapping& mapping) const;
46 std::vector<NamedChannel> input_names () const;
49 BandPassAudioFilter _left;
50 BandPassAudioFilter _right;
51 BandPassAudioFilter _centre;
52 LowPassAudioFilter _lfe;
53 BandPassAudioFilter _ls;
54 BandPassAudioFilter _rs;