X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ftext_subtitle_decoder.cc;h=846c3016ee1748f8c97aa08b27a1232ed3a8ec57;hb=84d5d65754b13de3998cfe048bb6a95ab95761a8;hp=f76bb7f75f60b9578c5f3fd9a6a0d7326df9dfc2;hpb=504c63b3d62038bc486ca8a09e77fbb403907edd;p=dcpomatic.git diff --git a/src/lib/text_subtitle_decoder.cc b/src/lib/text_subtitle_decoder.cc index f76bb7f75..846c3016e 100644 --- a/src/lib/text_subtitle_decoder.cc +++ b/src/lib/text_subtitle_decoder.cc @@ -1,19 +1,20 @@ /* Copyright (C) 2014-2016 Carl Hetherington - This program is free software; you can redistribute it and/or modify + 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. - This program is distributed in the hope that it will be useful, + 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 this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ @@ -33,24 +34,25 @@ using boost::shared_ptr; using boost::optional; using boost::dynamic_pointer_cast; -TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr content) +TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr content, shared_ptr log) : TextSubtitle (content) , _next (0) { - subtitle.reset ( - new SubtitleDecoder ( - this, - content->subtitle, - bind (&TextSubtitleDecoder::image_subtitles_during, this, _1, _2), - bind (&TextSubtitleDecoder::text_subtitles_during, this, _1, _2) - ) - ); + subtitle.reset (new SubtitleDecoder (this, content->subtitle, log)); } void TextSubtitleDecoder::seek (ContentTime time, bool accurate) { - subtitle->seek (time, 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) { @@ -59,84 +61,19 @@ TextSubtitleDecoder::seek (ContentTime time, bool accurate) } bool -TextSubtitleDecoder::pass (PassReason, bool) +TextSubtitleDecoder::pass () { if (_next >= _subtitles.size ()) { return true; } - /* XXX: we are ignoring positioning specified in the file */ - - list out; - - /* Highest line index in this subtitle */ - int highest = 0; - BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) { - DCPOMATIC_ASSERT (i.vertical_position.reference && i.vertical_position.reference.get() == sub::TOP_OF_SUBTITLE); - DCPOMATIC_ASSERT (i.vertical_position.line); - highest = max (highest, i.vertical_position.line.get()); - } - - BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) { - BOOST_FOREACH (sub::Block j, i.blocks) { - out.push_back ( - dcp::SubtitleString ( - TextSubtitleContent::font_id, - j.italic, - j.bold, - /* force the colour to whatever is configured */ - subtitle->content()->colour(), - j.font_size.points (72 * 11), - 1.0, - dcp::Time (_subtitles[_next].from.all_as_seconds(), 1000), - dcp::Time (_subtitles[_next].to.all_as_seconds(), 1000), - 0, - dcp::HALIGN_CENTER, - /* This 1.015 is an arbitrary value to lift the bottom sub off the bottom - of the screen a bit to a pleasing degree. - */ - 1.015 - ((1 + highest - i.vertical_position.line.get()) * 1.5 / 22), - dcp::VALIGN_TOP, - dcp::DIRECTION_LTR, - j.text, - subtitle->content()->outline() ? dcp::BORDER : dcp::NONE, - subtitle->content()->outline_colour(), - dcp::Time (0, 1000), - dcp::Time (0, 1000) - ) - ); - } - } - - subtitle->text_subtitle (content_time_period (_subtitles[_next]), out); + ContentTimePeriod const p = content_time_period (_subtitles[_next]); + subtitle->emit_text (p, _subtitles[_next]); ++_next; return false; } -list -TextSubtitleDecoder::image_subtitles_during (ContentTimePeriod, bool) const -{ - return list (); -} - -list -TextSubtitleDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const -{ - /* XXX: inefficient */ - - list d; - - for (vector::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) { - ContentTimePeriod t = content_time_period (*i); - if ((starting && p.contains (t.from)) || (!starting && p.overlaps (t))) { - d.push_back (t); - } - } - - return d; -} - ContentTimePeriod TextSubtitleDecoder::content_time_period (sub::Subtitle s) const {