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/*
Copyright (C) 2014-2016 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/dcp_decoder.h
* @brief A decoder of existing DCPs.
*/
#include "decoder.h"
namespace dcp {
class Reel;
class MonoPictureAssetReader;
class StereoPictureAssetReader;
class SoundAssetReader;
}
class DCPContent;
class Log;
struct dcp_subtitle_within_dcp_test;
class DCPDecoder : public Decoder
{
public:
DCPDecoder (boost::shared_ptr<const DCPContent>, boost::shared_ptr<Log> log, bool fast);
std::list<boost::shared_ptr<dcp::Reel> > reels () const {
return _reels;
}
private:
friend struct dcp_subtitle_within_dcp_test;
bool pass (PassReason, bool accurate);
void seek (ContentTime t, bool accurate);
void next_reel ();
void get_readers ();
std::list<ContentTimePeriod> image_subtitles_during (ContentTimePeriod, bool starting) const;
std::list<ContentTimePeriod> text_subtitles_during (ContentTimePeriod, bool starting) const;
boost::shared_ptr<const DCPContent> _dcp_content;
/** Time of next thing to return from pass relative to the start of _reel */
ContentTime _next;
std::list<boost::shared_ptr<dcp::Reel> > _reels;
std::list<boost::shared_ptr<dcp::Reel> >::iterator _reel;
/** Offset of _reel from the start of the content in frames */
int64_t _offset;
/** Reader for current mono picture asset, if applicable */
boost::shared_ptr<dcp::MonoPictureAssetReader> _mono_reader;
/** Reader for current stereo picture asset, if applicable */
boost::shared_ptr<dcp::StereoPictureAssetReader> _stereo_reader;
/** Reader for current sound asset, if applicable */
boost::shared_ptr<dcp::SoundAssetReader> _sound_reader;
};
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