/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#define DCPOMATIC_AUDIO_MAPPING_H
#include <libcxml/cxml.h>
-#include <dcp/types.h>
-#include <boost/shared_ptr.hpp>
#include <vector>
namespace xmlpp {
class Node;
}
-namespace cxml {
- class Node;
-}
-
/** @class AudioMapping.
- * @brief A many-to-many mapping from some content channels to DCP channels.
- *
- * The number of content channels is set on construction and fixed,
- * and then each of those content channels are mapped to each DCP channel
- * by a linear gain.
+ * @brief A many-to-many mapping of audio channels.
*/
class AudioMapping
{
public:
AudioMapping ();
- AudioMapping (int channels);
+ AudioMapping (int input_channels, int output_channels);
AudioMapping (cxml::ConstNodePtr, int);
/* Default copy constructor is fine */
-
+
void as_xml (xmlpp::Node *) const;
- void make_default ();
+ void make_zero ();
- void set (int, dcp::Channel, float);
- float get (int, dcp::Channel) const;
+ void set (int input_channel, int output_channel, float);
+ float get (int input_channel, int output_channel) const;
- int content_channels () const {
- return _content_channels;
+ int input_channels () const {
+ return _input_channels;
+ }
+
+ int output_channels () const {
+ return _output_channels;
}
std::string digest () const;
-
+
+ std::list<int> mapped_output_channels () const;
+ void unmap_all ();
+
private:
- void setup (int);
-
- int _content_channels;
+ void setup (int input_channels, int output_channels);
+
+ int _input_channels;
+ int _output_channels;
std::vector<std::vector<float> > _gain;
};