X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-commonfmt%2Fsrc%2Fcodecs%2Fclearvideo.rs;h=953e3c097004030ec5cfeab6943c6bdc48c6a029;hb=9da33f04bbd89f18942bbafc6d135b5d3f102953;hp=790ea3e00b369d91a2e5b4fc3a1b6faccc983ba6;hpb=f9be4e750dccff762b9a3d894faec50ffdb59233;p=nihav.git

diff --git a/nihav-commonfmt/src/codecs/clearvideo.rs b/nihav-commonfmt/src/codecs/clearvideo.rs
index 790ea3e..953e3c0 100644
--- a/nihav-commonfmt/src/codecs/clearvideo.rs
+++ b/nihav-commonfmt/src/codecs/clearvideo.rs
@@ -683,7 +683,9 @@ impl NADecoder for ClearVideoDecoder {
             self.decode_frame_intra(&mut br, &mut buf, vinfo.get_width(), vinfo.get_height())?;
             extend_edges(&mut buf, 1 << self.tsize);
         } else {
-            let mut prev = self.frmmgr.clone_ref().unwrap();
+            let pref = self.frmmgr.clone_ref();
+            if pref.is_none() { return Err(DecoderError::MissingReference); }
+            let mut prev = pref.unwrap();
             extend_edges(&mut prev, 1 << self.tsize);
             self.decode_frame_inter(&mut br, &mut buf, &mut prev, vinfo.get_width(), vinfo.get_height())?;
             extend_edges(&mut buf, 1 << self.tsize);