/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/transcoder.cc
- * @brief A class which takes a FilmState and some Options, then uses those to transcode a Film.
+ * @brief A class which takes a Film and some Options, then uses those to transcode the film.
*
* A decoder is selected according to the content type, and the encoder can be specified
* as a parameter to the constructor.
*/
-#include <iostream>
-#include <sigc++/signal.h>
#include "transcoder.h"
#include "encoder.h"
-#include "decoder_factory.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 namespace std;
-using namespace boost;
+using std::string;
+using std::cout;
+using std::list;
+using boost::shared_ptr;
+using boost::weak_ptr;
+using boost::dynamic_pointer_cast;
-/** Construct a transcoder using a Decoder that we create and a supplied Encoder.
- * @param s FilmState of Film that we are transcoding.
- * @param o Options.
- * @param j Job that we are running under, or 0.
- * @param l Log that we can write to.
- * @param e Encoder to use.
+/** Construct a transcoder.
+ * @param f Film that we are transcoding.
+ * @param j Job that this transcoder is being used in.
*/
-Transcoder::Transcoder (shared_ptr<const FilmState> s, shared_ptr<const Options> o, Job* j, Log* l, shared_ptr<Encoder> e)
- : _job (j)
- , _encoder (e)
- , _decoder (decoder_factory (s, o, j, l))
+Transcoder::Transcoder (shared_ptr<const Film> film, weak_ptr<Job> j)
+ : _film (film)
+ , _job (j)
+ , _player (new Player (film, film->playlist ()))
+ , _writer (new Writer (film, j))
+ , _encoder (new Encoder (film, _writer))
+ , _finishing (false)
{
- assert (_encoder);
-
- _decoder->Video.connect (sigc::mem_fun (*e, &Encoder::process_video));
- _decoder->Audio.connect (sigc::mem_fun (*e, &Encoder::process_audio));
+
}
-/** Run the decoder, passing its output to the encoder, until the decoder
- * has no more data to present.
- */
void
Transcoder::go ()
{
- _encoder->process_begin (_decoder->audio_channel_layout());
- try {
- _decoder->go ();
- } catch (...) {
- /* process_end() is important as the decoder may have worker
- threads that need to be cleaned up.
- */
- _encoder->process_end ();
- throw;
+ _writer->start ();
+ _encoder->begin ();
+
+ {
+ shared_ptr<Job> job = _job.lock ();
+ DCPOMATIC_ASSERT (job);
+ job->sub (_("Encoding picture and sound"));
}
- _encoder->process_end ();
+ DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate ());
+ DCPTime const length = _film->length ();
+
+ int burnt_subtitles = 0;
+ int non_burnt_subtitles = 0;
+ BOOST_FOREACH (shared_ptr<const Content> c, _film->content ()) {
+ if (c->subtitle && c->subtitle->use()) {
+ if (c->subtitle->burn()) {
+ ++burnt_subtitles;
+ } else {
+ ++non_burnt_subtitles;
+ }
+ }
+ }
+
+ if (non_burnt_subtitles) {
+ _writer->write (_player->get_subtitle_fonts ());
+ }
+
+ for (DCPTime t; t < length; t += frame) {
+
+ BOOST_FOREACH (shared_ptr<PlayerVideo> i, _player->get_video (t, true)) {
+ if (!_film->three_d()) {
+ /* 2D DCP */
+ if (i->eyes() == EYES_RIGHT) {
+ /* Discard right-eye images */
+ continue;
+ } else if (i->eyes() == EYES_LEFT) {
+ /* Use left-eye images for both eyes */
+ i->set_eyes (EYES_BOTH);
+ }
+ }
+
+ _encoder->encode (i);
+ }
+
+ _writer->write (_player->get_audio (t, frame, true));
+
+ if (non_burnt_subtitles) {
+ _writer->write (_player->get_subtitles (t, frame, true, false, true));
+ }
+
+ {
+ shared_ptr<Job> job = _job.lock ();
+ DCPOMATIC_ASSERT (job);
+ job->set_progress (float(t.get()) / length.get());
+ }
+ }
+
+ BOOST_FOREACH (ReferencedReelAsset i, _player->get_reel_assets ()) {
+ _writer->write (i);
+ }
+
+ _finishing = true;
+ _encoder->end ();
+ _writer->finish ();
+}
+
+float
+Transcoder::current_encoding_rate () const
+{
+ return _encoder->current_encoding_rate ();
+}
+
+int
+Transcoder::video_frames_enqueued () const
+{
+ return _encoder->video_frames_enqueued ();
}