Basics of DCP import.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/lib/single_stream_audio_content.cc b/src/lib/single_stream_audio_content.cc
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+++ b/src/lib/single_stream_audio_content.cc
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+/*
+    Copyright (C) 2014 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 <dcp/raw_convert.h>
+#include "single_stream_audio_content.h"
+#include "audio_examiner.h"
+#include "film.h"
+
+using std::string;
+using boost::shared_ptr;
+using dcp::raw_convert;
+
+SingleStreamAudioContent::SingleStreamAudioContent (shared_ptr<const Film> f)
+	: Content (f)
+	, AudioContent (f)
+	, _audio_channels (0)
+	, _audio_length (0)
+	, _audio_frame_rate (0)
+{
+
+}
+
+SingleStreamAudioContent::SingleStreamAudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
+	: Content (f, p)
+	, AudioContent (f, p)
+	, _audio_channels (0)
+	, _audio_length (0)
+	, _audio_frame_rate (0)
+{
+
+}
+
+SingleStreamAudioContent::SingleStreamAudioContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
+	: Content (f, node)
+	, AudioContent (f, node)
+	, _audio_mapping (node->node_child ("AudioMapping"), version)
+{
+	_audio_channels = node->number_child<int> ("AudioChannels");
+	_audio_length = ContentTime (node->number_child<ContentTime::Type> ("AudioLength"));
+	_audio_frame_rate = node->number_child<int> ("AudioFrameRate");
+}
+
+void
+SingleStreamAudioContent::set_audio_mapping (AudioMapping m)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_mapping = m;
+	}
+
+	AudioContent::set_audio_mapping (m);
+}
+
+
+void
+SingleStreamAudioContent::as_xml (xmlpp::Node* node) const
+{
+	AudioContent::as_xml (node);
+	node->add_child("AudioChannels")->add_child_text (raw_convert<string> (audio_channels ()));
+	node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio_length().get ()));
+	node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio_frame_rate ()));
+	_audio_mapping.as_xml (node->add_child("AudioMapping"));
+}
+
+void
+SingleStreamAudioContent::take_from_audio_examiner (shared_ptr<AudioExaminer> examiner)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_channels = examiner->audio_channels ();
+		_audio_length = examiner->audio_length ();
+		_audio_frame_rate = examiner->audio_frame_rate ();
+	}
+
+	signal_changed (AudioContentProperty::AUDIO_CHANNELS);
+	signal_changed (AudioContentProperty::AUDIO_LENGTH);
+	signal_changed (AudioContentProperty::AUDIO_FRAME_RATE);
+
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		/* XXX: do this in signal_changed...? */
+		_audio_mapping = AudioMapping (_audio_channels);
+		_audio_mapping.make_default ();
+	}
+	
+	signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}