Merge master; fix crash on new film.
[dcpomatic.git] / src / lib / transcoder.cc
index faafcaf8b593821fd6b5600f82f48b758192eeba..2e33931bd50872cc5edbb16c274af19e336a5bb1 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 "options.h"
 #include "gain.h"
 #include "video_decoder.h"
 #include "audio_decoder.h"
+#include "player.h"
 #include "trimmer.h"
 
 using std::string;
@@ -44,87 +43,52 @@ 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)
+Transcoder::Transcoder (shared_ptr<Film> f, shared_ptr<Job> j)
        : _job (j)
-       , _encoder (e)
-       , _decoders (decoder_factory (f, o))
+       , _player (f->player ())
+       , _encoder (new Encoder (f))
 {
-       assert (_encoder);
-
-       shared_ptr<AudioStream> st = f->audio_stream();
-       if (st) {
-               _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));
+       _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()));
 
-       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()
+                               f->log(), trim_start, trim_end, f->content_length(),
+                               f->audio_frame_rate(), f->video_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 ());
+       
+       if (!f->with_subtitles ()) {
+               _player->disable_subtitles ();
        }
 
-       _decoders.video->connect_video (_delay_line);
-       if (_matcher) {
-               _delay_line->connect_video (_matcher);
-               _matcher->connect_video (_trimmer);
-       } else {
-               _delay_line->connect_video (_trimmer);
-       }
+       _player->connect_video (_delay_line);
+       _delay_line->connect_video (_matcher);
+       _matcher->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);
-       }
+       _player->connect_audio (_delay_line);
+       _delay_line->connect_audio (_matcher);
+       _matcher->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;
-               }
-               
-               if (done[0] && done[1]) {
+               if (_player->pass ()) {
                        break;
                }
+               _player->set_progress (_job);
        }
-       
+
        _delay_line->process_end ();
        if (_matcher) {
                _matcher->process_end ();
@@ -132,3 +96,15 @@ Transcoder::go ()
        _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 ();
+}