/*
- 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
*/
/** @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 "video_decoder.h"
+#include "audio_decoder.h"
+#include "player.h"
+#include "job.h"
-using namespace std;
-using namespace boost;
+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 s FilmState of Film that we are transcoding.
- * @param o Options.
- * @param j Job that we are running under, or 0.
- * @param l Log that we can write to.
+ * @param f Film that we are transcoding.
* @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)
- : _job (j)
- , _encoder (e)
- , _decoder (decoder_factory (s, o, j, l))
+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);
-
- _decoder->Video.connect (sigc::mem_fun (*e, &Encoder::process_video));
- _decoder->Audio.connect (sigc::mem_fun (*e, &Encoder::process_audio));
+
}
-/** Run the decoder, passing its output to the encoder, until the decoder
- * has no more data to present.
- */
void
Transcoder::go ()
{
- _encoder->process_begin (_decoder->audio_channel_layout());
- 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;
+ _encoder->process_begin ();
+
+ 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);
+ }
+ _encoder->process_audio (_player->get_audio (t, frame, true));
}
+ _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 ();
+}
+