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diff --git a/src/lib/dcp_transcoder.cc b/src/lib/dcp_transcoder.cc
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+++ b/src/lib/dcp_transcoder.cc
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+/*
+    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+
+    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.
+
+    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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+/** @file  src/dcp_transcoder.cc
+ *  @brief A class which takes a Film and some Options, then uses those to transcode the film into a DCP.
+ *
+ *  A decoder is selected according to the content type, and the encoder can be specified
+ *  as a parameter to the constructor.
+ */
+
+#include "dcp_transcoder.h"
+#include "encoder.h"
+#include "film.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "player.h"
+#include "job.h"
+#include "writer.h"
+#include "compose.hpp"
+#include "referenced_reel_asset.h"
+#include "subtitle_content.h"
+#include "player_video.h"
+#include <boost/signals2.hpp>
+#include <boost/foreach.hpp>
+#include <iostream>
+
+#include "i18n.h"
+
+using std::string;
+using std::cout;
+using std::list;
+using boost::shared_ptr;
+using boost::weak_ptr;
+using boost::dynamic_pointer_cast;
+
+/** Construct a DCP transcoder.
+ *  @param film Film that we are transcoding.
+ *  @param job Job that this transcoder is being used in.
+ */
+DCPTranscoder::DCPTranscoder (shared_ptr<const Film> film, weak_ptr<Job> job)
+	: Transcoder (film, job)
+	, _writer (new Writer (film, job))
+	, _encoder (new Encoder (film, _writer))
+	, _finishing (false)
+	, _non_burnt_subtitles (false)
+{
+	BOOST_FOREACH (shared_ptr<const Content> c, _film->content ()) {
+		if (c->subtitle && c->subtitle->use() && !c->subtitle->burn()) {
+			_non_burnt_subtitles = true;
+		}
+	}
+}
+
+void
+DCPTranscoder::go ()
+{
+	_writer->start ();
+	_encoder->begin ();
+
+	{
+		shared_ptr<Job> job = _job.lock ();
+		DCPOMATIC_ASSERT (job);
+		job->sub (_("Encoding"));
+	}
+
+	if (_non_burnt_subtitles) {
+		_writer->write (_player->get_subtitle_fonts ());
+	}
+
+	while (!_player->pass ()) {}
+
+	BOOST_FOREACH (ReferencedReelAsset i, _player->get_reel_assets ()) {
+		_writer->write (i);
+	}
+
+	_finishing = true;
+	_encoder->end ();
+	_writer->finish ();
+}
+
+void
+DCPTranscoder::video (shared_ptr<PlayerVideo> data, DCPTime time)
+{
+	if (!_film->three_d() && data->eyes() == EYES_LEFT) {
+		/* Use left-eye images for both eyes */
+		data->set_eyes (EYES_BOTH);
+	}
+
+	_encoder->encode (data, time);
+}
+
+void
+DCPTranscoder::audio (shared_ptr<AudioBuffers> data, DCPTime time)
+{
+	_writer->write (data);
+
+	shared_ptr<Job> job = _job.lock ();
+	DCPOMATIC_ASSERT (job);
+	job->set_progress (float(time.get()) / _film->length().get());
+}
+
+void
+DCPTranscoder::subtitle (PlayerSubtitles data, DCPTimePeriod period)
+{
+	if (_non_burnt_subtitles) {
+		_writer->write (data, period);
+	}
+}
+
+float
+DCPTranscoder::current_encoding_rate () const
+{
+	return _encoder->current_encoding_rate ();
+}
+
+int
+DCPTranscoder::video_frames_enqueued () const
+{
+	return _encoder->video_frames_enqueued ();
+}