Rename SafeStringStream -> locked_stringstream. Bump deps for removal of stringstream.

[dcpomatic.git] / src / lib / transcoder.cc

diff --git a/src/lib/transcoder.cc b/src/lib/transcoder.cc
index 9d8eebe255d63d16dac547ab5851e8388c601c0c..c667a1486e61ee4fd8e70337ce416ffa422c67f9 100644 (file)
--- a/src/lib/transcoder.cc
+++ b/src/lib/transcoder.cc
@@ -1,19 +1,20 @@
 /*
-    Copyright (C) 2012-2014 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/>.
 
 */
 
@@ -24,8 +25,6 @@
  *  as a parameter to the constructor.
  */
 
-#include <iostream>
-#include <boost/signals2.hpp>
 #include "transcoder.h"
 #include "encoder.h"
 #include "film.h"
@@ -34,6 +33,15 @@
 #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;
@@ -42,15 +50,16 @@ 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.
+/** Construct a transcoder.
  *  @param f Film that we are transcoding.
- *  @param e Encoder to use.
+ *  @param j Job that this transcoder is being used in.
  */
-Transcoder::Transcoder (shared_ptr<const Film> f, shared_ptr<Job> j)
-       : _film (f)
-       , _player (f->make_player ())
-       , _writer (new Writer (f, j))
-       , _encoder (new Encoder (f, j, _writer))
+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)
 {
 
@@ -59,26 +68,71 @@ Transcoder::Transcoder (shared_ptr<const Film> f, shared_ptr<Job> j)
 void
 Transcoder::go ()
 {
+       _writer->start ();
        _encoder->begin ();
 
+       {
+               shared_ptr<Job> job = _job.lock ();
+               DCPOMATIC_ASSERT (job);
+               job->sub (_("Encoding picture and sound"));
+       }
+
        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) {
-               list<shared_ptr<PlayerVideo> > v = _player->get_video (t, true);
-               for (list<shared_ptr<PlayerVideo> >::const_iterator i = v.begin(); i != v.end(); ++i) {
-                       _encoder->enqueue (*i);
+
+               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 (!_film->burn_subtitles ()) {
-                       _writer->write (_player->get_subtitles (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 ();
-
-       _player->statistics().dump (_film->log ());
 }
 
 float
@@ -88,8 +142,7 @@ Transcoder::current_encoding_rate () const
 }
 
 int
-Transcoder::video_frames_out () const
+Transcoder::video_frames_enqueued () const
 {
-       return _encoder->video_frames_out ();
+       return _encoder->video_frames_enqueued ();
 }
-