2 Copyright (C) 2013-2015 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/lib/audio_mapping.h
22 * @brief AudioMapping class.
25 #ifndef DCPOMATIC_AUDIO_MAPPING_H
26 #define DCPOMATIC_AUDIO_MAPPING_H
28 #include <libcxml/cxml.h>
37 /** @class AudioMapping.
38 * @brief A many-to-many mapping of audio channels.
44 AudioMapping (int input_channels, int output_channels);
45 AudioMapping (cxml::ConstNodePtr, int);
47 /* Default copy constructor is fine */
49 void as_xml (xmlpp::Node *) const;
52 void make_default (AudioProcessor const * processor, boost::optional<boost::filesystem::path> filename = boost::optional<boost::filesystem::path>());
54 void set (int input_channel, int output_channel, float);
55 float get (int input_channel, int output_channel) const;
57 int input_channels () const {
58 return _input_channels;
61 int output_channels () const {
62 return _output_channels;
65 std::string digest () const;
67 std::list<int> mapped_output_channels () const;
71 void setup (int input_channels, int output_channels);
75 std::vector<std::vector<float> > _gain;