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/*
Copyright (C) 2017-2018 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/lib/active_captions.h
* @brief ActiveText class.
*/
#include "dcpomatic_time.h"
#include "player_text.h"
#include <boost/noncopyable.hpp>
#include <boost/thread/mutex.hpp>
#include <list>
#include <map>
class TextContent;
/** @class ActiveText
* @brief A class to maintain information on active subtitles for Player.
*/
class ActiveText : public boost::noncopyable
{
public:
std::list<PlayerText> get_burnt (DCPTimePeriod period, bool always_burn_captions) const;
void clear_before (DCPTime time);
void clear ();
void add_from (boost::weak_ptr<const TextContent> content, PlayerText ps, DCPTime from);
std::pair<PlayerText, DCPTime> add_to (boost::weak_ptr<const TextContent> content, DCPTime to);
bool have (boost::weak_ptr<const TextContent> content) const;
private:
class Period
{
public:
Period () {}
Period (PlayerText s, DCPTime f)
: subs (s)
, from (f)
{}
PlayerText subs;
DCPTime from;
boost::optional<DCPTime> to;
};
typedef std::map<boost::weak_ptr<const TextContent>, std::list<Period> > Map;
mutable boost::mutex _mutex;
Map _data;
};
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