XML metadata and some other bits.
[dcpomatic.git] / src / lib / transcoder.cc
index f53fc4001204ec09a74a75ecb74aed55a9495e2d..21944c5fc6ad63aee373b451deac690f49a10bf7 100644 (file)
 #include <boost/signals2.hpp>
 #include "transcoder.h"
 #include "encoder.h"
-#include "decoder_factory.h"
 #include "film.h"
 #include "matcher.h"
 #include "delay_line.h"
+#include "gain.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "playlist.h"
 
 using std::string;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 
 /** Construct a transcoder using a Decoder that we create and a supplied Encoder.
  *  @param f Film that we are transcoding.
- *  @param o Options.
  *  @param j Job that we are running under, or 0.
  *  @param e Encoder to use.
  */
-Transcoder::Transcoder (shared_ptr<Film> f, shared_ptr<const Options> o, Job* j, shared_ptr<Encoder> e)
+Transcoder::Transcoder (shared_ptr<Film> f, shared_ptr<Job> j)
        : _job (j)
-       , _encoder (e)
-       , _decoder (decoder_factory (f, o, j))
+       , _playlist (f->playlist ())
+       , _encoder (new Encoder (f, _playlist))
 {
-       assert (_encoder);
-
-       AudioStream st = f->audio_stream().get();
-
-       _matcher.reset (new Matcher (f->log(), st.sample_rate(), f->frames_per_second()));
-       _delay_line.reset (new DelayLine (f->log(), st.channels(), f->audio_delay() * st.sample_rate() / 1000));
-
-       /* Set up the decoder to use the film's set streams */
-       _decoder->set_audio_stream (f->audio_stream ());
-       _decoder->set_subtitle_stream (f->subtitle_stream ());
-
-       _decoder->connect_video (_matcher);
-       _matcher->connect_video (_encoder);
+       if (_playlist->has_audio ()) {
+               _matcher.reset (new Matcher (f->log(), _playlist->audio_frame_rate(), _playlist->video_frame_rate()));
+               _delay_line.reset (new DelayLine (f->log(), _playlist->audio_channels(), f->audio_delay() * _playlist->audio_frame_rate() / 1000));
+               _gain.reset (new Gain (f->log(), f->audio_gain()));
+       }
 
-       _decoder->connect_audio (_delay_line);
-       _delay_line->connect_audio (_matcher);
-       _matcher->connect_audio (_delay_line);
+       if (_matcher) {
+               _playlist->connect_video (_matcher);
+               _matcher->connect_video (_encoder);
+       } else {
+               _playlist->connect_video (_encoder);
+       }
+       
+       if (_matcher && _delay_line && _playlist->has_audio ()) {
+               _playlist->connect_audio (_delay_line);
+               _delay_line->connect_audio (_matcher);
+               _matcher->connect_audio (_gain);
+               _gain->connect_audio (_encoder);
+       }
 }
 
-/** Run the decoder, passing its output to the encoder, until the decoder
- *  has no more data to present.
- */
 void
 Transcoder::go ()
 {
        _encoder->process_begin ();
        try {
-               _decoder->go ();
+               while (1) {
+                       if (_playlist->pass ()) {
+                               break;
+                       }
+                       _playlist->set_progress (_job);
+               }
+               
        } catch (...) {
-               /* process_end() is important as the decoder may have worker
-                  threads that need to be cleaned up.
-               */
                _encoder->process_end ();
                throw;
        }
-
+       
+       if (_delay_line) {
+               _delay_line->process_end ();
+       }
+       if (_matcher) {
+               _matcher->process_end ();
+       }
+       if (_gain) {
+               _gain->process_end ();
+       }
        _encoder->process_end ();
 }