X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Flib%2Faudio_mapping.h;h=8be8eeb6fa030cfbb27099abdf4c18a4d9b3e519;hb=04533b9cf34ce8089113015715083ee9c5b2b001;hp=3c471d3f4f16aaead62df787c4c7666e5226e8aa;hpb=21ce34c2cd04a2e7e133ff693b84c054182f4f91;p=dcpomatic.git

diff --git a/src/lib/audio_mapping.h b/src/lib/audio_mapping.h
index 3c471d3f4..8be8eeb6f 100644
--- a/src/lib/audio_mapping.h
+++ b/src/lib/audio_mapping.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2014 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
@@ -20,31 +20,51 @@
 #ifndef DCPOMATIC_AUDIO_MAPPING_H
 #define DCPOMATIC_AUDIO_MAPPING_H
 
-#include <list>
-#include <string>
-#include <libdcp/types.h>
+#include <vector>
 #include <boost/shared_ptr.hpp>
-#include "audio_content.h"
+#include <dcp/types.h>
+#include <libcxml/cxml.h>
 
+namespace xmlpp {
+	class Node;
+}
+
+namespace cxml {
+	class Node;
+}
+
+/** 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.
+ */
 class AudioMapping
 {
 public:
+	AudioMapping ();
+	AudioMapping (int channels);
+	AudioMapping (cxml::ConstNodePtr, int);
+
+	/* Default copy constructor is fine */
+	
 	void as_xml (xmlpp::Node *) const;
-	void set_from_xml (boost::shared_ptr<const cxml::Node>);
 
-	void add (int, libdcp::Channel);
+	void make_default ();
 
-	int dcp_channels () const;
-	std::list<int> dcp_to_content (libdcp::Channel) const;
-	std::list<std::pair<int, libdcp::Channel> > content_to_dcp () const {
-		return _content_to_dcp;
-	}
+	void set (int, dcp::Channel, float);
+	float get (int, dcp::Channel) const;
 
-	std::list<int> content_channels () const;
-	std::list<libdcp::Channel> content_to_dcp (int) const;
+	int content_channels () const {
+		return _content_channels;
+	}
 
+	std::string digest () const;
+	
 private:
-	std::list<std::pair<int, libdcp::Channel> > _content_to_dcp;
+	void setup (int);
+	
+	int _content_channels;
+	std::vector<std::vector<float> > _gain;
 };
 
 #endif