From ed227b4fdba9b4fc7f06f6db4830219f14bad358 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 14 Dec 2018 00:58:48 +0000
Subject: swaroop: fix up restart-after-crash.

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

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

diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc
index c10235f9b..f530d2ee3 100644
--- a/src/lib/playlist.cc
+++ b/src/lib/playlist.cc
@@ -68,6 +68,13 @@ Playlist::~Playlist ()
 void
 Playlist::content_change (weak_ptr<const Film> weak_film, ChangeType type, weak_ptr<Content> content, int property, bool frequent)
 {
+	/* Make sure we only hear about atomic changes (e.g. a PENDING always with the DONE/CANCELLED)
+	   Ignore any DONE/CANCELLED that arrives without a PENDING.
+	*/
+	if (_checker.send (type, property)) {
+		return;
+	}
+
 	shared_ptr<const Film> film = weak_film.lock ();
 	DCPOMATIC_ASSERT (film);
 
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