Merge master.
[dcpomatic.git] / src / lib / transcoder.cc
index fcfbb164887c028fd3785055b3d91e863fb4542b..a4cd36a4fb509f17ba6f58eae2729e0bb2901060 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 #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 "options.h"
-#include "gain.h"
 #include "video_decoder.h"
 #include "audio_decoder.h"
-#include "trimmer.h"
+#include "player.h"
+#include "job.h"
 
 using std::string;
+using std::cout;
+using std::list;
 using boost::shared_ptr;
+using boost::weak_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 Decode options.
- *  @param j Job that we are running under, or 0.
  *  @param e Encoder to use.
  */
-Transcoder::Transcoder (shared_ptr<Film> f, DecodeOptions o, Job* j, shared_ptr<Encoder> e)
-       : _job (j)
-       , _encoder (e)
-       , _decoders (decoder_factory (f, o))
+Transcoder::Transcoder (shared_ptr<const Film> f, shared_ptr<Job> j)
+       : _film (f)
+       , _player (f->make_player ())
+       , _encoder (new Encoder (f, j))
+       , _finishing (false)
 {
-       assert (_encoder);
 
-       shared_ptr<AudioStream> st = f->audio_stream();
-       if (st && st->sample_rate()) {
-               _matcher.reset (new Matcher (f->log(), st->sample_rate(), f->source_frame_rate()));
-       }
-       _delay_line.reset (new DelayLine (f->log(), f->audio_delay() / 1000.0f));
-       _gain.reset (new Gain (f->log(), f->audio_gain()));
-
-       int const sr = st ? st->sample_rate() : 0;
-       int const trim_start = f->trim_type() == Film::ENCODE ? f->trim_start() : 0;
-       int const trim_end = f->trim_type() == Film::ENCODE ? f->trim_end() : 0;
-       _trimmer.reset (new Trimmer (
-                               f->log(), trim_start, trim_end, f->length().get_value_or(0),
-                               sr, f->source_frame_rate(), f->dcp_frame_rate()
-                               ));
-
-       /* Set up the decoder to use the film's set streams */
-       _decoders.video->set_subtitle_stream (f->subtitle_stream ());
-       if (f->audio_stream ()) {
-           _decoders.audio->set_audio_stream (f->audio_stream ());
-       }
-
-       _decoders.video->connect_video (_delay_line);
-       if (_matcher) {
-               _delay_line->connect_video (_matcher);
-               _matcher->connect_video (_trimmer);
-       } else {
-               _delay_line->connect_video (_trimmer);
-       }
-       _trimmer->connect_video (_encoder);
-       
-       _decoders.audio->connect_audio (_delay_line);
-       if (_matcher) {
-               _delay_line->connect_audio (_matcher);
-               _matcher->connect_audio (_gain);
-       } else {
-               _delay_line->connect_audio (_gain);
-       }
-       _gain->connect_audio (_trimmer);
-       _trimmer->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 ();
 
-       bool done[2] = { false, false };
-       
-       while (1) {
-               if (!done[0]) {
-                       done[0] = _decoders.video->pass ();
-                       if (_job) {
-                               _decoders.video->set_progress (_job);
-                       }
-               }
-               
-               if (!done[1] && _decoders.audio && dynamic_pointer_cast<Decoder> (_decoders.audio) != dynamic_pointer_cast<Decoder> (_decoders.video)) {
-                       done[1] = _decoders.audio->pass ();
-               } else {
-                       done[1] = true;
+       DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate ());
+       for (DCPTime t; t < _film->length(); t += frame) {
+               list<shared_ptr<PlayerVideoFrame> > v = _player->get_video (t, true);
+               for (list<shared_ptr<PlayerVideoFrame> >::const_iterator i = v.begin(); i != v.end(); ++i) {
+                       _encoder->process_video (*i);
                }
-               
-               if (done[0] && done[1]) {
-                       break;
-               }
-       }
-       
-       _delay_line->process_end ();
-       if (_matcher) {
-               _matcher->process_end ();
+               _encoder->process_audio (_player->get_audio (t, frame, true));
        }
-       _gain->process_end ();
+
+       _finishing = true;
        _encoder->process_end ();
+
+       _player->statistics().dump (_film->log ());
+}
+
+float
+Transcoder::current_encoding_rate () const
+{
+       return _encoder->current_encoding_rate ();
 }
+
+int
+Transcoder::video_frames_out () const
+{
+       return _encoder->video_frames_out ();
+}
+