X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp7.rs;h=4fc7deaaa526a1414b4c531cdc92736f3dd2848b;hb=6e24ec0bcf9d521c66551eebd198400c5342b0be;hp=ccdb5dd22c519721ae5e337af7c7fe23f5977d8b;hpb=587a6d789be865f24bd31ef65aabf1b9d5809965;p=nihav.git

diff --git a/nihav-duck/src/codecs/vp7.rs b/nihav-duck/src/codecs/vp7.rs
index ccdb5dd..4fc7dea 100644
--- a/nihav-duck/src/codecs/vp7.rs
+++ b/nihav-duck/src/codecs/vp7.rs
@@ -1141,6 +1141,10 @@ impl NADecoder for VP7Decoder {
             self.set_dimensions(width, height);
 
             self.dstate.reset();
+        } else {
+            if !self.shuf.has_refs() {
+                return Err(DecoderError::MissingReference);
+            }
         }
 
         self.read_features(&mut bc)?;
@@ -1392,6 +1396,9 @@ impl NADecoder for VP7Decoder {
         frm.set_frame_type(if self.dstate.is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.shuf.clear();
+    }
 }
 
 pub fn get_decoder() -> Box<NADecoder> {