2 Copyright (C) 2014 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/lib/upmixer_a.h
21 * @brief UpmixerA class.
24 #include "audio_processor.h"
25 #include "audio_filter.h"
28 * @brief Stereo to 5.1 upmixer algorithm by GĂ©rald Maruccia.
30 class UpmixerA : public AudioProcessor
33 UpmixerA (int sampling_rate);
35 std::string name () const;
36 std::string id () const;
37 int out_channels () const;
38 boost::shared_ptr<AudioProcessor> clone (int) const;
39 boost::shared_ptr<AudioBuffers> run (boost::shared_ptr<const AudioBuffers>, int channels);
41 void make_audio_mapping_default (AudioMapping& mapping) const;
42 std::vector<std::string> input_names () const;
45 BandPassAudioFilter _left;
46 BandPassAudioFilter _right;
47 BandPassAudioFilter _centre;
48 BandPassAudioFilter _lfe;
49 BandPassAudioFilter _ls;
50 BandPassAudioFilter _rs;