Improve audio mapping handling a bit.

[dcpomatic.git] / src / lib / null_content.h

diff --git a/src/lib/null_content.h b/src/lib/null_content.h
index 4f19c3b0a08eff05044ed4864365f1383f544f10..889ff7a0d326990a59e2d90af62138ad4c24231f 100644 (file)
--- a/src/lib/null_content.h
+++ b/src/lib/null_content.h
@@ -1,16 +1,31 @@
+/*
+    Copyright (C) 2013 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
+    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,
+    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.
+
+*/
+
 #include <string>
 #include <boost/shared_ptr.hpp>
-#include "content.h"
+#include "video_content.h"
+#include "audio_content.h"
 
 class NullContent : public VideoContent, public AudioContent
 {
 public:
-       NullContent (Time s, Time len)
-               : Content (s)
-               , VideoContent (s)
-               , AudioContent (s)
-               , _length (len)
-       {}
+       NullContent (boost::shared_ptr<const Film>, Time, Time);
 
        std::string summary () const {
                return "";
@@ -19,35 +34,34 @@ public:
        std::string information () const {
                return "";
        }
+
+       void as_xml (xmlpp::Node *) const {}
        
        boost::shared_ptr<Content> clone () const {
-               return shared_ptr<Content> ();
+               return boost::shared_ptr<Content> ();
        }
 
-        int audio_channels () const {
-               return MAX_AUDIO_CHANNELS;
-       }
+        int audio_channels () const;
        
         ContentAudioFrame audio_length () const {
-               return _length * content_audio_frame_rate() / TIME_HZ;
+               return _audio_length;
        }
        
-        int content_audio_frame_rate () const {
-               return 48000;
-       }
+        int content_audio_frame_rate () const;
        
-       int output_audio_frame_rate (boost::shared_ptr<const Film>) const {
-               return _film->dcp_audio_frame_rate (content_audio_frame_rate ());
-       }
+       int output_audio_frame_rate () const;
        
        AudioMapping audio_mapping () const {
                return AudioMapping ();
        }
+
+       void set_audio_mapping (AudioMapping) {}
        
-       Time length (boost::shared_ptr<const Film>) const {
+       Time length () const {
                return _length;
        }
 
 private:
+       ContentAudioFrame _audio_length;
        Time _length;
 };