/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 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
* as a parameter to the constructor.
*/
-#include <iostream>
-#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"
+#include "writer.h"
+#include "compose.hpp"
+#include "referenced_reel_asset.h"
+#include "subtitle_content.h"
+#include <boost/signals2.hpp>
+#include <boost/foreach.hpp>
+#include <iostream>
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.
+/** Construct a transcoder.
* @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.
+ * @param j Job that this transcoder is being used in.
*/
-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> film, shared_ptr<Job> j)
+ : _film (film)
+ , _player (new Player (film, film->playlist ()))
+ , _writer (new Writer (film, j))
+ , _encoder (new Encoder (film, _writer))
+ , _finishing (false)
{
- 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));
- _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 ();
- try {
- bool done[2] = { false, false };
-
- while (1) {
- if (!done[0]) {
- done[0] = _decoders.video->pass ();
- if (_job) {
- _decoders.video->set_progress (_job);
- }
- }
+ _writer->start ();
+ _encoder->begin ();
+
+ DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate ());
+ DCPTime const length = _film->length ();
- if (!done[1] && _decoders.audio && dynamic_pointer_cast<Decoder> (_decoders.audio) != dynamic_pointer_cast<Decoder> (_decoders.video)) {
- done[1] = _decoders.audio->pass ();
+ int burnt_subtitles = 0;
+ int non_burnt_subtitles = 0;
+ BOOST_FOREACH (shared_ptr<const Content> c, _film->content ()) {
+ if (c->subtitle && c->subtitle->use()) {
+ if (c->subtitle->burn()) {
+ ++burnt_subtitles;
} else {
- done[1] = true;
+ ++non_burnt_subtitles;
}
+ }
+ }
- if (done[0] && done[1]) {
- break;
- }
+ if (non_burnt_subtitles) {
+ _writer->write (_player->get_subtitle_fonts ());
+ }
+
+ for (DCPTime t; t < length; t += frame) {
+ _encoder->encode (_player->get_video (t, true));
+ _writer->write (_player->get_audio (t, frame, true));
+
+ if (non_burnt_subtitles) {
+ _writer->write (_player->get_subtitles (t, frame, true, false, true));
}
-
- } catch (...) {
- _encoder->process_end ();
- throw;
}
-
- _delay_line->process_end ();
- if (_matcher) {
- _matcher->process_end ();
+
+ BOOST_FOREACH (ReferencedReelAsset i, _player->get_reel_assets ()) {
+ _writer->write (i);
}
- _gain->process_end ();
- _encoder->process_end ();
+
+ _finishing = true;
+ _encoder->end ();
+ _writer->finish ();
+}
+
+float
+Transcoder::current_encoding_rate () const
+{
+ return _encoder->current_encoding_rate ();
+}
+
+int
+Transcoder::video_frames_out () const
+{
+ return _encoder->video_frames_out ();
}
projects / dcpomatic.git / blobdiff