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/*
Copyright (C) 2016-2021 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/>.
*/
#include "audio_analyser.h"
#include "signaller.h"
#include "player_text.h"
#include "dcp_text_track.h"
#include "dcpomatic_time.h"
#include "weak_film.h"
#include <boost/signals2.hpp>
#include <boost/atomic.hpp>
#include <vector>
#include <string>
class Film;
class Writer;
class Hints : public Signaller, public ExceptionStore, public WeakConstFilm
{
public:
explicit Hints (std::weak_ptr<const Film> film);
~Hints ();
void start ();
boost::signals2::signal<void (std::string)> Hint;
boost::signals2::signal<void (std::string)> Progress;
boost::signals2::signal<void (void)> Pulse;
boost::signals2::signal<void (void)> Finished;
/* For tests only */
void join ();
void disable_audio_analysis () {
_disable_audio_analysis = true;
}
private:
friend struct hint_subtitle_too_early;
void thread ();
void hint (std::string h);
void audio (std::shared_ptr<AudioBuffers> audio, dcpomatic::DCPTime time);
void text (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
void closed_caption (PlayerText text, dcpomatic::DCPTimePeriod period);
void open_subtitle (PlayerText text, dcpomatic::DCPTimePeriod period);
void check_certificates ();
void check_interop ();
void check_big_font_files ();
void check_few_audio_channels ();
void check_upmixers ();
void check_incorrect_container ();
void check_unusual_container ();
void check_high_j2k_bandwidth ();
void check_frame_rate ();
void check_4k_3d ();
void check_speed_up ();
void check_vob ();
void check_3d_in_2d ();
bool check_loudness ();
void check_ffec_and_ffmc_in_smpte_feature ();
void check_out_of_range_markers ();
void check_text_languages ();
void check_audio_language ();
boost::thread _thread;
/** This is used to make a partial DCP containing only the subtitles and closed captions that
* our final DCP will have. This means we can see how big the files will be and warn if they
* will be too big.
*/
std::shared_ptr<Writer> _writer;
AudioAnalyser _analyser;
bool _long_ccap = false;
bool _overlap_ccap = false;
bool _too_many_ccap_lines = false;
boost::optional<dcpomatic::DCPTimePeriod> _last_ccap;
bool _early_subtitle = false;
bool _short_subtitle = false;
bool _subtitles_too_close = false;
bool _too_many_subtitle_lines = false;
bool _long_subtitle = false;
bool _very_long_subtitle = false;
boost::optional<dcpomatic::DCPTimePeriod> _last_subtitle;
boost::atomic<bool> _stop;
bool _disable_audio_analysis = false;
};
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