X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ffilter_graph.h;h=ee378af4cddaf4b1ae7608644d53d7be7f270903;hb=59043fa86b3a70f9e6b205cdeeec9b47678fafef;hp=2138943e42b6e3e6ef11ba4967f0c85f0755d618;hpb=68b46a970895711694177c26aa4954cf1e23959c;p=dcpomatic.git

diff --git a/src/lib/filter_graph.h b/src/lib/filter_graph.h
index 2138943e4..ee378af4c 100644
--- a/src/lib/filter_graph.h
+++ b/src/lib/filter_graph.h
@@ -33,6 +33,7 @@ class FFmpegDecoder;
 class FilterGraph
 {
 public:
+	virtual ~FilterGraph () {}
 	virtual bool can_process (libdcp::Size, AVPixelFormat) const = 0;
 	virtual std::list<boost::shared_ptr<Image> > process (AVFrame *) = 0;
 };