X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Ftext_subtitle_decoder.cc;h=6188d524f97b101344138f83bacfaaa14dacc13b;hb=a5ea5c0d2637dd41e3d356cb62cac75b8cadf8ce;hp=36e44cc99012936979cdb84bee26bb65a74bfdf1;hpb=334b94526f2c1271718a94fe97cfa843cf6ef7a1;p=dcpomatic.git

diff --git a/src/lib/text_subtitle_decoder.cc b/src/lib/text_subtitle_decoder.cc
index 36e44cc99..6188d524f 100644
--- a/src/lib/text_subtitle_decoder.cc
+++ b/src/lib/text_subtitle_decoder.cc
@@ -1,24 +1,26 @@
 /*
     Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
 
-    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 <http://www.gnu.org/licenses/>.
 
 */
 
 #include "text_subtitle_decoder.h"
 #include "text_subtitle_content.h"
+#include "subtitle_content.h"
 #include <dcp/subtitle_string.h>
 #include <boost/foreach.hpp>
 #include <iostream>
@@ -32,18 +34,29 @@ using boost::shared_ptr;
 using boost::optional;
 using boost::dynamic_pointer_cast;
 
-TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content)
-	: SubtitleDecoder (content->subtitle)
-	, TextSubtitle (content)
+TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content, shared_ptr<Log> log)
+	: TextSubtitle (content)
 	, _next (0)
 {
-
+	ContentTime first;
+	if (!_subtitles.empty()) {
+		first = content_time_period(_subtitles[0]).from;
+	}
+	subtitle.reset (new SubtitleDecoder (this, content->subtitle, log, first));
 }
 
 void
 TextSubtitleDecoder::seek (ContentTime time, bool accurate)
 {
-	SubtitleDecoder::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) {
@@ -52,87 +65,19 @@ 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 */
-
-	shared_ptr<const TextSubtitleContent> content = dynamic_pointer_cast<const TextSubtitleContent> (_subtitle_content);
-	DCPOMATIC_ASSERT (content);
-
-	list<dcp::SubtitleString> 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 */
-					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,
-					content->outline() ? dcp::BORDER : dcp::NONE,
-					content->outline_colour(),
-					dcp::Time (0, 1000),
-					dcp::Time (0, 1000)
-					)
-				);
-		}
-	}
-
-	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<ContentTimePeriod>
-TextSubtitleDecoder::image_subtitles_during (ContentTimePeriod, bool) const
-{
-	return list<ContentTimePeriod> ();
-}
-
-list<ContentTimePeriod>
-TextSubtitleDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const
-{
-	/* XXX: inefficient */
-
-	list<ContentTimePeriod> d;
-
-	for (vector<sub::Subtitle>::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
 {