Merge master.

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

diff --git a/src/lib/audio_content.h b/src/lib/audio_content.h
index 95fd681a7eab2711d8ec0c045587e71cc3420bfd..cecc8f13d65c1a0875a0dca0f0b2e383a37eb20c 100644 (file)
--- a/src/lib/audio_content.h
+++ b/src/lib/audio_content.h
@@ -1,8 +1,84 @@
+/*
+    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.
+
+*/
+
+#ifndef DCPOMATIC_AUDIO_CONTENT_H
+#define DCPOMATIC_AUDIO_CONTENT_H
+
 #include "content.h"
+#include "audio_mapping.h"
+
+namespace cxml {
+       class Node;
+}
+
+class AudioContentProperty
+{
+public:
+       static int const AUDIO_CHANNELS;
+       static int const AUDIO_LENGTH;
+       static int const AUDIO_FRAME_RATE;
+       static int const AUDIO_GAIN;
+       static int const AUDIO_DELAY;
+       static int const AUDIO_MAPPING;
+};
 
 class AudioContent : public virtual Content
 {
 public:
+       typedef int64_t Frame;
        
+       AudioContent (boost::shared_ptr<const Film>, DCPTime);
+       AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);
+       AudioContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
+       AudioContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
+
+       void as_xml (xmlpp::Node *) const;
+       std::string technical_summary () const;
+
+       virtual int audio_channels () const = 0;
+       virtual ContentTime audio_length () const = 0;
+       virtual int content_audio_frame_rate () const = 0;
+       virtual int output_audio_frame_rate () const = 0;
+       virtual AudioMapping audio_mapping () const = 0;
+       virtual void set_audio_mapping (AudioMapping) = 0;
+       virtual boost::filesystem::path audio_analysis_path () const;
+
+       boost::signals2::connection analyse_audio (boost::function<void()>);
 
+       void set_audio_gain (float);
+       void set_audio_delay (int);
+       
+       float audio_gain () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _audio_gain;
+       }
+
+       int audio_delay () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _audio_delay;
+       }
+
+private:
+       /** Gain to apply to audio in dB */
+       float _audio_gain;
+       /** Delay to apply to audio (positive moves audio later) in milliseconds */
+       int _audio_delay;
 };
+
+#endif