From 2525b8babdfe69f81ad873f1a89d914f56174d91 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 4 Apr 2017 23:15:06 +0100
Subject: [PATCH] Fix crash with a missing subtitle asset.

---
 src/reel.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/reel.cc b/src/reel.cc
index b94197d0..89fc3a45 100644
--- a/src/reel.cc
+++ b/src/reel.cc
@@ -230,9 +230,11 @@ Reel::resolve_refs (list<shared_ptr<Asset> > assets)
 		_main_subtitle->asset_ref().resolve (assets);
 
 		/* Interop subtitle handling is all special cases */
-		shared_ptr<InteropSubtitleAsset> iop = dynamic_pointer_cast<InteropSubtitleAsset> (_main_subtitle->asset_ref().asset ());
-		if (iop) {
-			iop->resolve_fonts (assets);
+		if (_main_subtitle->asset_ref().resolved()) {
+			shared_ptr<InteropSubtitleAsset> iop = dynamic_pointer_cast<InteropSubtitleAsset> (_main_subtitle->asset_ref().asset());
+			if (iop) {
+				iop->resolve_fonts (assets);
+			}
 		}
 	}
 
-- 
2.30.2