From 9cb73fbc0fa4643612f01665bc6d9fc430656f32 Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Thu, 19 Jul 2018 21:48:27 +0100 Subject: Reword again: Text -> Caption and Plain -> Text. sed -i "s/ActiveText/ActiveCaptions/g" src/lib/*.{cc,h} sed -i "s/active_text.h/active_captions.h/g" src/lib/*.{cc,h} sed -i "s/active_text.cc/active_captions.cc/g" src/lib/wscript mv src/lib/active_text.cc src/lib/active_captions.cc mv src/lib/active_text.h src/lib/active_captions.h sed -i "s/PlainTextFileContent/TextCaptionFileContent/g" src/lib/*.{cc,h} src/wx/*.cc sed -i "s/PlainTextFile/TextCaptionFile/g" src/lib/*.{cc,h} src/wx/*.cc sed -i "s/plain_text_file_content/text_caption_file_content/g" src/lib/*.{cc,h} src/lib/wscript src/wx/*.{cc,h} test/*.cc mv src/lib/plain_text_file_content.cc src/lib/text_caption_file_content.cc mv src/lib/plain_text_file_content.h src/lib/text_caption_file_content.h sed -i "s/PlainTextFileDecoder/TextCaptionFileDecoder/g" src/lib/*.{cc,h} sed -i "s/plain_text_file_decoder/text_caption_file_decoder/g" src/lib/*.{cc,h} src/lib/wscript src/wx/*.{cc,h} mv src/lib/plain_text_file_decoder.cc src/lib/text_caption_file_decoder.cc mv src/lib/plain_text_file_decoder.h src/lib/text_caption_file_decoder.h sed -i "s/PlayerText/PlayerCaption/g" src/lib/*.{cc,h} sed -i "s/player_text.cc/player_caption.cc/g" src/lib/wscript sed -i "s/player_text.h/player_caption.h/g" src/lib/*.{cc,h} mv src/lib/player_text.cc src/lib/player_caption.cc mv src/lib/player_text.h src/lib/player_caption.h sed -i "s/ContentPlainText/ContentTextCaption/g" src/lib/*.{cc,h} src/wx/*.{cc,h} sed -i "s/ContentBitmapText/ContentBitmapCaption/g" src/lib/*.{cc,h} src/wx/*.{cc,h} sed -i "s/PlainText/TextCaption/g" src/lib/*.{cc,h} test/*.cc sed -i "s/plain_text.h/text_caption.h/g" src/lib/*.{cc,h} mv src/lib/plain_text.h src/lib/text_caption.h --- src/lib/text_caption_file_decoder.cc | 89 ++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 src/lib/text_caption_file_decoder.cc (limited to 'src/lib/text_caption_file_decoder.cc') diff --git a/src/lib/text_caption_file_decoder.cc b/src/lib/text_caption_file_decoder.cc new file mode 100644 index 000000000..d1a72faeb --- /dev/null +++ b/src/lib/text_caption_file_decoder.cc @@ -0,0 +1,89 @@ +/* + Copyright (C) 2014-2018 Carl Hetherington + + 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 . + +*/ + +#include "text_caption_file_decoder.h" +#include "text_caption_file_content.h" +#include "text_content.h" +#include "text_decoder.h" +#include +#include +#include + +using std::list; +using std::vector; +using std::string; +using std::cout; +using std::max; +using boost::shared_ptr; +using boost::optional; +using boost::dynamic_pointer_cast; + +TextCaptionFileDecoder::TextCaptionFileDecoder (shared_ptr content, shared_ptr log) + : TextCaptionFile (content) + , _next (0) +{ + ContentTime first; + if (!_subtitles.empty()) { + first = content_time_period(_subtitles[0]).from; + } + subtitle.reset (new TextDecoder (this, content->subtitle, log, first)); +} + +void +TextCaptionFileDecoder::seek (ContentTime time, bool accurate) +{ + /* It's worth back-tracking a little here as decoding is cheap and it's nice if we don't miss + too many subtitles when seeking. + */ + time -= ContentTime::from_seconds (5); + if (time < ContentTime()) { + time = ContentTime(); + } + + Decoder::seek (time, accurate); + + _next = 0; + while (_next < _subtitles.size() && ContentTime::from_seconds (_subtitles[_next].from.all_as_seconds ()) < time) { + ++_next; + } +} + +bool +TextCaptionFileDecoder::pass () +{ + if (_next >= _subtitles.size ()) { + return true; + } + + ContentTimePeriod const p = content_time_period (_subtitles[_next]); + subtitle->emit_plain (p, _subtitles[_next]); + + ++_next; + return false; +} + +ContentTimePeriod +TextCaptionFileDecoder::content_time_period (sub::Subtitle s) const +{ + return ContentTimePeriod ( + ContentTime::from_seconds (s.from.all_as_seconds()), + ContentTime::from_seconds (s.to.all_as_seconds()) + ); +} -- cgit v1.2.3