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/*
Copyright (C) 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
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,
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.
*/
#ifndef DCPOMATIC_SUBTITLE_DECODER_H
#define DCPOMATIC_SUBTITLE_DECODER_H
#include <dcp/subtitle_string.h>
#include "decoder.h"
#include "rect.h"
#include "types.h"
#include "content_subtitle.h"
class Film;
class DCPTimedSubtitle;
class Image;
class SubtitleDecoder : public virtual Decoder
{
public:
SubtitleDecoder (boost::shared_ptr<const SubtitleContent>);
std::list<boost::shared_ptr<ContentImageSubtitle> > get_image_subtitles (ContentTimePeriod period);
std::list<boost::shared_ptr<ContentTextSubtitle> > get_text_subtitles (ContentTimePeriod period);
protected:
void seek (ContentTime, bool);
void image_subtitle (ContentTimePeriod period, boost::shared_ptr<Image>, dcpomatic::Rect<double>);
void text_subtitle (std::list<dcp::SubtitleString>);
std::list<boost::shared_ptr<ContentImageSubtitle> > _decoded_image_subtitles;
std::list<boost::shared_ptr<ContentTextSubtitle> > _decoded_text_subtitles;
private:
template <class T>
std::list<boost::shared_ptr<T> > get (std::list<boost::shared_ptr<T> > const & subs, ContentTimePeriod period);
boost::shared_ptr<const SubtitleContent> _subtitle_content;
};
#endif
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