Untested merge of master.
[dcpomatic.git] / src / lib / transcoder.cc
index 3d71b68f5a32423912fbf15ea6a4f806a4ab35fe..ea3f27ad8f94f10175e1b6e81237b5e1d6059c12 100644 (file)
 */
 
 /** @file  src/transcoder.cc
- *  @brief A class which takes a FilmState and some Options, then uses those to transcode a Film.
+ *  @brief A class which takes a Film and some Options, then uses those to transcode the film.
  *
  *  A decoder is selected according to the content type, and the encoder can be specified
  *  as a parameter to the constructor.
  */
 
 #include <iostream>
-#include <sigc++/signal.h>
+#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 "player.h"
 
-using namespace std;
-using namespace boost;
+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 s FilmState of Film that we are transcoding.
- *  @param o Options.
+ *  @param f Film that we are transcoding.
  *  @param j Job that we are running under, or 0.
- *  @param l Log that we can write to.
  *  @param e Encoder to use.
  */
-Transcoder::Transcoder (shared_ptr<const FilmState> s, shared_ptr<const Options> o, Job* j, Log* l, shared_ptr<Encoder> e)
+Transcoder::Transcoder (shared_ptr<Film> f, shared_ptr<Job> j)
        : _job (j)
-       , _encoder (e)
-       , _decoder (decoder_factory (s, o, j, l))
+       , _player (f->player ())
+       , _encoder (new Encoder (f))
 {
-       assert (_encoder);
+       _matcher.reset (new Matcher (f->log(), f->audio_frame_rate(), f->video_frame_rate()));
+       _delay_line.reset (new DelayLine (f->log(), f->audio_delay() * f->audio_frame_rate() / 1000));
+       _gain.reset (new Gain (f->log(), f->audio_gain()));
+
+       if (!f->with_subtitles ()) {
+               _player->disable_subtitles ();
+       }
+
+       _player->connect_video (_delay_line);
+       _delay_line->connect_video (_matcher);
+       _matcher->connect_video (_encoder);
        
-       _decoder->Video.connect (sigc::mem_fun (*e, &Encoder::process_video));
-       _decoder->Audio.connect (sigc::mem_fun (*e, &Encoder::process_audio));
+       _player->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 ();
-       } catch (...) {
-               /* process_end() is important as the decoder may have worker
-                  threads that need to be cleaned up.
-               */
-               _encoder->process_end ();
-               throw;
+       while (1) {
+               if (_player->pass ()) {
+                       break;
+               }
+               _player->set_progress (_job);
        }
 
+       _delay_line->process_end ();
+       _matcher->process_end ();
+       _gain->process_end ();
        _encoder->process_end ();
 }
+
+float
+Transcoder::current_encoding_rate () const
+{
+       return _encoder->current_encoding_rate ();
+}
+
+int
+Transcoder::video_frames_out () const
+{
+       return _encoder->video_frames_out ();
+}