1 files changed, 120 insertions, 0 deletions
diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
new file mode 100644
index 000000000..100264d44
--- /dev/null
+++ b/src/lib/audio_content.cc
@@ -0,0 +1,120 @@
+/*
+    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 <libcxml/cxml.h>
+#include "audio_content.h"
+#include "analyse_audio_job.h"
+#include "job_manager.h"
+#include "film.h"
+
+using std::string;
+using boost::shared_ptr;
+using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
+
+int const AudioContentProperty::AUDIO_CHANNELS = 200;
+int const AudioContentProperty::AUDIO_LENGTH = 201;
+int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
+int const AudioContentProperty::AUDIO_GAIN = 203;
+int const AudioContentProperty::AUDIO_DELAY = 204;
+int const AudioContentProperty::AUDIO_MAPPING = 205;
+
+AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
+	: Content (f, s)
+	, _audio_gain (0)
+	, _audio_delay (0)
+{
+
+}
+
+AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
+	: Content (f, p)
+	, _audio_gain (0)
+	, _audio_delay (0)
+{
+
+}
+
+AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+	: Content (f, node)
+{
+	_audio_gain = node->number_child<float> ("AudioGain");
+	_audio_delay = node->number_child<int> ("AudioDelay");
+}
+
+void
+AudioContent::as_xml (xmlpp::Node* node) const
+{
+	boost::mutex::scoped_lock lm (_mutex);
+	node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
+	node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
+}
+
+
+void
+AudioContent::set_audio_gain (float g)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_gain = g;
+	}
+	
+	signal_changed (AudioContentProperty::AUDIO_GAIN);
+}
+
+void
+AudioContent::set_audio_delay (int d)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_delay = d;
+	}
+	
+	signal_changed (AudioContentProperty::AUDIO_DELAY);
+}
+
+void
+AudioContent::analyse_audio (boost::function<void()> finished)
+{
+	shared_ptr<const Film> film = _film.lock ();
+	if (!film) {
+		return;
+	}
+	
+	shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
+	job->Finished.connect (finished);
+	JobManager::instance()->add (job);
+}
+
+boost::filesystem::path
+AudioContent::audio_analysis_path () const
+{
+	shared_ptr<const Film> film = _film.lock ();
+	if (!film) {
+		return boost::filesystem::path ();
+	}
+
+	return film->audio_analysis_path (dynamic_pointer_cast<const AudioContent> (shared_from_this ()));
+}
+
+string
+AudioContent::technical_summary () const
+{
+	return String::compose ("audio: channels %1, length %2, raw rate %3, out rate %4", audio_channels(), audio_length(), content_audio_frame_rate(), output_audio_frame_rate());
+}