Basic grunt-work, untested and unfinished, but it compiles.
[dcpomatic.git] / src / lib / transcoder.cc
index ee099c7df3f427a59ceccb1c3dc66a3d273214ef..da6b08c5ff1af87b2158112ed979c3d2f45509e5 100644 (file)
@@ -61,8 +61,17 @@ Transcoder::Transcoder (shared_ptr<const Film> film, weak_ptr<Job> j)
        , _writer (new Writer (film, j))
        , _encoder (new Encoder (film, _writer))
        , _finishing (false)
+       , _non_burnt_subtitles (false)
 {
+       _player->Video.connect (bind (&Transcoder::video, this, _1));
+       _player->Audio.connect (bind (&Transcoder::audio, this, _1, _2));
+       _player->Subtitle.connect (bind (&Transcoder::subtitle, this, _1));
 
+       BOOST_FOREACH (shared_ptr<const Content> c, _film->content ()) {
+               if (c->subtitle && c->subtitle->use() && !c->subtitle->burn()) {
+                       _non_burnt_subtitles = true;
+               }
+       }
 }
 
 void
@@ -77,54 +86,11 @@ Transcoder::go ()
                job->sub (_("Encoding"));
        }
 
-       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) {
+       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());
-               }
-       }
+       while (!_player->pass ()) {}
 
        BOOST_FOREACH (ReferencedReelAsset i, _player->get_reel_assets ()) {
                _writer->write (i);
@@ -135,6 +101,35 @@ Transcoder::go ()
        _writer->finish ();
 }
 
+void
+Transcoder::video (shared_ptr<PlayerVideo> data)
+{
+       if (!_film->three_d() && data->eyes() == EYES_LEFT) {
+               /* Use left-eye images for both eyes */
+               data->set_eyes (EYES_BOTH);
+       }
+
+       _encoder->encode (data);
+}
+
+void
+Transcoder::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
+Transcoder::subtitle (PlayerSubtitles data)
+{
+       if (_non_burnt_subtitles) {
+               _writer->write (data);
+       }
+}
+
 float
 Transcoder::current_encoding_rate () const
 {