X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_mapping.h;h=a76d83a370f703dceded47e1d5aff6e90cd472e3;hb=6de35d058821acc092d2aae75543024a97026b8a;hp=248d2570eca8a3eee084bfbfe4df957f85f55bf8;hpb=cd4a82d90677cec80e891ac190000cb70767446f;p=dcpomatic.git

diff --git a/src/lib/audio_mapping.h b/src/lib/audio_mapping.h
index 248d2570e..a76d83a37 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
@@ -17,46 +17,60 @@
 
 */
 
+/** @file  src/lib/audio_mapping.h
+ *  @brief AudioMapping class.
+ */
+
 #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;
+}
+
+/** @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.
+ */
 class AudioMapping
 {
 public:
-	void as_xml (xmlpp::Node *) const;
-	void set_from_xml (ContentList const &, boost::shared_ptr<const cxml::Node>);
+	AudioMapping ();
+	AudioMapping (int channels);
+	AudioMapping (cxml::ConstNodePtr, int);
+
+	/* Default copy constructor is fine */
 	
-	struct Channel {
-		Channel (boost::weak_ptr<const AudioContent> c, int i)
-			: content (c)
-			, index (i)
-		{}
-		
-		boost::weak_ptr<const AudioContent> content;
-		int index;
-	};
-
-	void add (Channel, libdcp::Channel);
-
-	int dcp_channels () const;
-	std::list<Channel> dcp_to_content (libdcp::Channel) const;
-	std::list<std::pair<Channel, libdcp::Channel> > content_to_dcp () const {
-		return _content_to_dcp;
-	}
+	void as_xml (xmlpp::Node *) const;
 
-	std::list<Channel> content_channels () const;
-	std::list<libdcp::Channel> content_to_dcp (Channel) const;
+	void make_default ();
 
+	void set (int, dcp::Channel, float);
+	float get (int, dcp::Channel) const;
+
+	int content_channels () const {
+		return _content_channels;
+	}
+
+	std::string digest () const;
+	
 private:
-	std::list<std::pair<Channel, libdcp::Channel> > _content_to_dcp;
+	void setup (int);
+	
+	int _content_channels;
+	std::vector<std::vector<float> > _gain;
 };
 
-extern bool operator== (AudioMapping::Channel const &, AudioMapping::Channel const &);
-
 #endif