2 Copyright (C) 2014-2016 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/>.
21 #include "text_subtitle_decoder.h"
22 #include "text_subtitle_content.h"
23 #include "subtitle_content.h"
24 #include <dcp/subtitle_string.h>
25 #include <boost/foreach.hpp>
33 using boost::shared_ptr;
34 using boost::optional;
35 using boost::dynamic_pointer_cast;
37 TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content, shared_ptr<Log> log)
38 : TextSubtitle (content)
41 subtitle.reset (new SubtitleDecoder (this, content->subtitle, log));
45 TextSubtitleDecoder::seek (ContentTime time, bool accurate)
47 Decoder::seek (time, accurate);
50 while (_next < _subtitles.size() && ContentTime::from_seconds (_subtitles[_next].from.all_as_seconds ()) < time) {
56 TextSubtitleDecoder::pass ()
58 if (_next >= _subtitles.size ()) {
62 ContentTimePeriod const p = content_time_period (_subtitles[_next]);
63 subtitle->emit_text (p, _subtitles[_next]);
70 TextSubtitleDecoder::content_time_period (sub::Subtitle s) const
72 return ContentTimePeriod (
73 ContentTime::from_seconds (s.from.all_as_seconds()),
74 ContentTime::from_seconds (s.to.all_as_seconds())