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/*
Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/decoder.h
* @brief Decoder class.
*/
#ifndef DCPOMATIC_DECODER_H
#define DCPOMATIC_DECODER_H
#include "dcpomatic_time.h"
#include "film.h"
#include "weak_film.h"
#include <boost/utility.hpp>
class AtmosDecoder;
class AudioDecoder;
class Decoded;
class DecoderPart;
class TextDecoder;
class VideoDecoder;
/** @class Decoder.
* @brief Parent class for decoders of content.
*/
class Decoder : public WeakConstFilm
{
public:
Decoder (std::weak_ptr<const Film> film);
virtual ~Decoder () {}
Decoder (Decoder const&) = delete;
Decoder& operator= (Decoder const&) = delete;
std::shared_ptr<VideoDecoder> video;
std::shared_ptr<AudioDecoder> audio;
std::list<std::shared_ptr<TextDecoder>> text;
std::shared_ptr<AtmosDecoder> atmos;
std::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 bool pass () = 0;
virtual void seek (dcpomatic::ContentTime time, bool accurate);
virtual dcpomatic::ContentTime position () const;
};
#endif
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