From 9726a58f44d52d235b027225ddd68c6acf83c733 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 6 Jul 2022 12:25:15 +0200
Subject: Handle vertical alignment of subs correctly wrt the difference
 between Interop and SMPTE.

---
 src/lib/dcp_subtitle_decoder.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/lib/dcp_subtitle_decoder.cc')

diff --git a/src/lib/dcp_subtitle_decoder.cc b/src/lib/dcp_subtitle_decoder.cc
index 08c2bf7ec..cbfe6fdbe 100644
--- a/src/lib/dcp_subtitle_decoder.cc
+++ b/src/lib/dcp_subtitle_decoder.cc
@@ -46,6 +46,12 @@ DCPSubtitleDecoder::DCPSubtitleDecoder (shared_ptr<const Film> film, shared_ptr<
 	_subtitles = asset->subtitles ();
 	_next = _subtitles.begin ();
 
+	if (dynamic_pointer_cast<dcp::InteropSubtitleAsset>(asset)) {
+		_standard = dcp::Standard::INTEROP;
+	} else {
+		_standard = dcp::Standard::SMPTE;
+	}
+
 	text.push_back (make_shared<TextDecoder>(this, content->only_text()));
 	update_position();
 }
@@ -102,7 +108,7 @@ DCPSubtitleDecoder::pass ()
 		}
 	}
 
-	only_text()->emit_plain (p, s);
+	only_text()->emit_plain(p, s, _standard);
 
 	update_position();
 
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