Merge master.
[dcpomatic.git] / src / lib / ab_transcoder.cc
index fc4fb8daa44c96105f11ea14a5562bc847344ca9..7db13afcc0c0ae491b5abf54b91890140d2f587b 100644 (file)
@@ -40,6 +40,7 @@
 
 using std::string;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 
 /** @param a Film to use for the left half of the screen.
  *  @param b Film to use for the right half of the screen.
@@ -54,16 +55,15 @@ ABTranscoder::ABTranscoder (
        , _film_b (b)
        , _job (j)
        , _encoder (e)
+       , _combiner (new Combiner (a->log()))
 {
-       _da = decoder_factory (_film_a, o, j);
-       _db = decoder_factory (_film_b, o, j);
-
-       if (_film_a->audio_stream()) {
-               shared_ptr<AudioStream> st = _film_a->audio_stream();
-               _matcher.reset (new Matcher (_film_a->log(), st->sample_rate(), _film_a->frames_per_second()));
-               _delay_line.reset (new DelayLine (_film_a->log(), st->channels(), _film_a->audio_delay() * st->sample_rate() / 1000));
-               _gain.reset (new Gain (_film_a->log(), _film_a->audio_gain()));
-       }
+       _da = decoder_factory (_film_a, o);
+       _db = decoder_factory (_film_b, o);
+
+       shared_ptr<AudioStream> st = _film_a->audio_stream();
+       _matcher.reset (new Matcher (_film_a->log(), st->sample_rate(), _film_a->source_frame_rate()));
+       _delay_line.reset (new DelayLine (_film_a->log(), _film_a->audio_delay() / 1000.0f));
+       _gain.reset (new Gain (_film_a->log(), _film_a->audio_gain()));
 
        /* Set up the decoder to use the film's set streams */
        _da.video->set_subtitle_stream (_film_a->subtitle_stream ());
@@ -73,34 +73,38 @@ ABTranscoder::ABTranscoder (
        _da.video->Video.connect (bind (&Combiner::process_video, _combiner, _1, _2, _3));
        _db.video->Video.connect (bind (&Combiner::process_video_b, _combiner, _1, _2, _3));
 
-       if (_matcher) {
-               _combiner->connect_video (_matcher);
-               _matcher->connect_video (_encoder);
-       } else {
-               _combiner->connect_video (_encoder);
-       }
+       _combiner->connect_video (_delay_line);
+       _delay_line->connect_video (_matcher);
+       _matcher->connect_video (_encoder);
        
-       if (_matcher && _delay_line) {
-               _da.audio->connect_audio (_delay_line);
-               _delay_line->connect_audio (_matcher);
-               _matcher->connect_audio (_gain);
-               _gain->connect_audio (_encoder);
-       }
+       _da.audio->connect_audio (_delay_line);
+       _delay_line->connect_audio (_matcher);
+       _matcher->connect_audio (_gain);
+       _gain->connect_audio (_encoder);
 }
 
 void
 ABTranscoder::go ()
 {
        _encoder->process_begin ();
+
+       bool done[3] = { false, false, false };
        
        while (1) {
-               bool const va = _da.video->pass ();
-               bool const vb = _db.video->pass ();
-               bool const a = _da.audio->pass ();
+               done[0] = _da.video->pass ();
+               done[1] = _db.video->pass ();
+               
+               if (!done[2] && _da.audio && dynamic_pointer_cast<Decoder> (_da.audio) != dynamic_pointer_cast<Decoder> (_da.video)) {
+                       done[2] = _da.audio->pass ();
+               } else {
+                       done[2] = true;
+               }
 
-               _da.video->set_progress ();
+               if (_job) {
+                       _da.video->set_progress (_job);
+               }
 
-               if (va && vb && a) {
+               if (done[0] && done[1] && done[2]) {
                        break;
                }
        }