2 Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "audio_analyser.h"
23 #include "signaller.h"
24 #include "player_text.h"
26 #include "dcp_text_track.h"
27 #include "dcpomatic_time.h"
28 #include "weak_film.h"
29 #include <boost/signals2.hpp>
30 #include <boost/atomic.hpp>
39 class Hints : public Signaller, public ExceptionStore, public WeakConstFilm
42 explicit Hints (std::weak_ptr<const Film> film);
47 boost::signals2::signal<void (std::string)> Hint;
48 boost::signals2::signal<void (std::string)> Progress;
49 boost::signals2::signal<void (void)> Pulse;
50 boost::signals2::signal<void (void)> Finished;
56 friend struct hint_subtitle_too_early;
59 void hint (std::string h);
60 void audio (std::shared_ptr<AudioBuffers> audio, dcpomatic::DCPTime time);
61 void text (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
62 void closed_caption (PlayerText text, dcpomatic::DCPTimePeriod period);
63 void open_subtitle (PlayerText text, dcpomatic::DCPTimePeriod period);
65 void check_interop ();
66 void check_big_font_files ();
67 void check_few_audio_channels ();
68 void check_upmixers ();
69 void check_incorrect_container ();
70 void check_unusual_container ();
71 void check_high_j2k_bandwidth ();
72 void check_frame_rate ();
74 void check_speed_up ();
76 void check_3d_in_2d ();
77 bool check_loudness ();
78 void check_ffec_and_ffmc_in_smpte_feature ();
79 void check_out_of_range_markers ();
80 void check_text_languages ();
81 void check_audio_language ();
83 boost::thread _thread;
84 /** This is used to make a partial DCP containing only the subtitles and closed captions that
85 * our final DCP will have. This means we can see how big the files will be and warn if they
88 std::shared_ptr<Writer> _writer;
90 AudioAnalyser _analyser;
92 bool _long_ccap = false;
93 bool _overlap_ccap = false;
94 bool _too_many_ccap_lines = false;
95 boost::optional<dcpomatic::DCPTimePeriod> _last_ccap;
97 bool _early_subtitle = false;
98 bool _short_subtitle = false;
99 bool _subtitles_too_close = false;
100 bool _too_many_subtitle_lines = false;
101 bool _long_subtitle = false;
102 bool _very_long_subtitle = false;
103 boost::optional<dcpomatic::DCPTimePeriod> _last_subtitle;
105 boost::atomic<bool> _stop;