/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2013 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
* @brief Parent class for decoders of content.
*/
-#ifndef DVDOMATIC_DECODER_H
-#define DVDOMATIC_DECODER_H
+#ifndef DCPOMATIC_DECODER_H
+#define DCPOMATIC_DECODER_H
#include <vector>
#include <string>
#include <stdint.h>
#include <boost/shared_ptr.hpp>
#include <boost/signals2.hpp>
-#include "util.h"
-#include "stream.h"
-#include "video_source.h"
-#include "audio_source.h"
+#include "film.h"
-class Job;
-class Options;
class Image;
class Log;
class DelayLine;
class TimedSubtitle;
class Subtitle;
-class Film;
class FilterGraph;
/** @class Decoder.
* @brief Parent class for decoders of content.
- *
- * These classes can be instructed run through their content (by
- * calling ::go), and they emit signals when video or audio data is
- * ready for something else to process.
*/
class Decoder
{
public:
- Decoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *);
+ Decoder (boost::shared_ptr<const Film>);
virtual ~Decoder () {}
- virtual bool pass () = 0;
- /** Seek.
- * @return true on error.
+ /** Perform one decode pass of the content, which may or may not
+ * cause the object to emit some data.
*/
- virtual bool seek (SourceFrame);
+ virtual void pass () = 0;
+
+ virtual bool done () const = 0;
protected:
- /** our Film */
- boost::shared_ptr<Film> _film;
- /** our options */
- boost::shared_ptr<const Options> _opt;
- /** associated Job, or 0 */
- Job* _job;
+
+ /** The Film that we are decoding in */
+ boost::weak_ptr<const Film> _film;
+
+private:
+ /** This will be called when our Film emits Changed */
+ virtual void film_changed (Film::Property) {}
+
+ /** Connection to our Film */
+ boost::signals2::scoped_connection _film_connection;
};
#endif