From 3f382e4b9e9d48a96190397295b316f60e0ea205 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 3 Feb 2019 22:32:58 +0000
Subject: [PATCH] Fix incorrect subtitle positioning when there are
 simultaneous subtitles at the same vposition from different reference points
 (#1458).

---
 src/lib/render_subtitles.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/render_subtitles.cc b/src/lib/render_subtitles.cc
index f4eb625cc..ab4767e1d 100644
--- a/src/lib/render_subtitles.cc
+++ b/src/lib/render_subtitles.cc
@@ -366,7 +366,7 @@ render_subtitles (list<SubtitleString> subtitles, list<shared_ptr<Font> > fonts,
 	list<PositionImage> images;
 
 	BOOST_FOREACH (SubtitleString const & i, subtitles) {
-		if (!pending.empty() && fabs (i.v_position() - pending.back().v_position()) > 1e-4) {
+		if (!pending.empty() && (i.v_align() != pending.back().v_align() || fabs(i.v_position() - pending.back().v_position()) > 1e-4)) {
 			images.push_back (render_line (pending, fonts, target, time, frame_rate));
 			pending.clear ();
 		}
-- 
2.30.2