X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_mapping.h;h=3c471d3f4f16aaead62df787c4c7666e5226e8aa;hb=9cacbd6bb24d04c1b4d2b1eae313687dda4fe63b;hp=248d2570eca8a3eee084bfbfe4df957f85f55bf8;hpb=47f25009bcbc765e397bcb471dd361a511c99daf;p=dcpomatic.git

diff --git a/src/lib/audio_mapping.h b/src/lib/audio_mapping.h
index 248d2570e..0f59cc205 100644
--- a/src/lib/audio_mapping.h
+++ b/src/lib/audio_mapping.h
@@ -1,62 +1,87 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
+
+/** @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 <boost/shared_ptr.hpp>
-#include "audio_content.h"
 
+#include <dcp/types.h>
+#include <libcxml/cxml.h>
+#include <vector>
+
+
+namespace xmlpp {
+	class Node;
+}
+
+class AudioProcessor;
+
+
+/** @class AudioMapping.
+ *  @brief A many-to-many mapping of audio channels.
+ */
 class AudioMapping
 {
 public:
+	AudioMapping () {}
+	AudioMapping (int input_channels, int output_channels);
+	AudioMapping (cxml::ConstNodePtr, int);
+
+	/* Default copy constructor is fine */
+
 	void as_xml (xmlpp::Node *) const;
-	void set_from_xml (ContentList const &, boost::shared_ptr<const cxml::Node>);
-	
-	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 make_zero ();
+	void make_default (AudioProcessor const * processor, boost::optional<boost::filesystem::path> filename = boost::optional<boost::filesystem::path>());
+
+	void set (dcp::Channel input_channel, int output_channel, float);
+	void set (int input_channel, int output_channel, float);
+	void set (int input_channel, dcp::Channel output_channel, float);
+	float get (int input_channel, int output_channel) const;
+	float get (int input_channel, dcp::Channel output_channel) const;
+
+	int input_channels () const {
+		return _gain.size();
 	}
 
-	std::list<Channel> content_channels () const;
-	std::list<libdcp::Channel> content_to_dcp (Channel) const;
+	int output_channels () const {
+		return _gain.empty() ? 0 : _gain[0].size();
+	}
+
+	std::string digest () const;
+
+	std::list<int> mapped_output_channels () const;
+	void unmap_all ();
 
 private:
-	std::list<std::pair<Channel, libdcp::Channel> > _content_to_dcp;
+	void setup (int input_channels, int output_channels);
+
+	/** Linear gains */
+	std::vector<std::vector<float>> _gain;
 };
 
-extern bool operator== (AudioMapping::Channel const &, AudioMapping::Channel const &);
 
 #endif