*/
/** @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 ();
+}