X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_mapping.h;h=ca9b9847fe8f9bc7002ca268014273b934f48800;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=f3096764c79c248ddb3bb0a0519efbd6caaa9f8f;hpb=1f8b45c7fd49714628009f5ed2161fbaa2b4d729;p=dcpomatic.git

diff --git a/src/lib/audio_mapping.h b/src/lib/audio_mapping.h
index f3096764c..ca9b9847f 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) 2013-2015 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
@@ -17,12 +17,17 @@
 
 */
 
+/** @file  src/lib/audio_mapping.h
+ *  @brief AudioMapping class.
+ */
+
 #ifndef DCPOMATIC_AUDIO_MAPPING_H
 #define DCPOMATIC_AUDIO_MAPPING_H
 
-#include <vector>
+#include <libcxml/cxml.h>
 #include <dcp/types.h>
 #include <boost/shared_ptr.hpp>
+#include <vector>
 
 namespace xmlpp {
 	class Node;
@@ -32,35 +37,43 @@ 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.
+ *  @brief A many-to-many mapping of audio channels.
  */
 class AudioMapping
 {
 public:
 	AudioMapping ();
-	AudioMapping (int);
-	AudioMapping (boost::shared_ptr<const cxml::Node>, int);
+	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;
 };