- 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()));
- }
-
- /* Set up the decoder to use the film's set streams */
- _da.video->set_subtitle_stream (_film_a->subtitle_stream ());
- _db.video->set_subtitle_stream (_film_a->subtitle_stream ());
- _da.audio->set_audio_stream (_film_a->audio_stream ());
-
- _da.video->Video.connect (bind (&Combiner::process_video, _combiner, _1, _2));
- _db.video->Video.connect (bind (&Combiner::process_video_b, _combiner, _1, _2));
-
- if (_matcher) {
- _combiner->connect_video (_matcher);
- _matcher->connect_video (_encoder);
- } else {
- _combiner->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);
- }