/*
- Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/decoder.h
- * @brief Parent class for decoders of content.
+ * @brief Decoder class.
*/
#ifndef DCPOMATIC_DECODER_H
#define DCPOMATIC_DECODER_H
-#include <boost/shared_ptr.hpp>
-#include <boost/weak_ptr.hpp>
+#include "types.h"
+#include "film.h"
+#include "dcpomatic_time.h"
#include <boost/utility.hpp>
-class Film;
+class Decoded;
+class VideoDecoder;
+class AudioDecoder;
+class TextDecoder;
+class DecoderPart;
/** @class Decoder.
* @brief Parent class for decoders of content.
class Decoder : public boost::noncopyable
{
public:
- Decoder (boost::shared_ptr<const Film>);
+ Decoder (boost::weak_ptr<const Film> film);
virtual ~Decoder () {}
- /** Perform one decode pass of the content, which may or may not
- * cause the object to emit some data.
+ boost::shared_ptr<VideoDecoder> video;
+ boost::shared_ptr<AudioDecoder> audio;
+ std::list<boost::shared_ptr<TextDecoder> > text;
+
+ boost::shared_ptr<TextDecoder> only_text () const;
+
+ /** Do some decoding and perhaps emit video, audio or subtitle data.
+ * @return true if this decoder will emit no more data unless a seek() happens.
*/
- virtual void pass () = 0;
+ virtual bool pass () = 0;
+ virtual void seek (dcpomatic::ContentTime time, bool accurate);
- virtual bool done () const = 0;
+ dcpomatic::ContentTime position () const;
protected:
+ boost::shared_ptr<const Film> film () const;
- /** The Film that we are decoding in */
+private:
boost::weak_ptr<const Film> _film;
};