check for missing reference frames in various decoders

[nihav.git] / nihav-duck / src / codecs / vp7.rs

diff --git a/nihav-duck/src/codecs/vp7.rs b/nihav-duck/src/codecs/vp7.rs
index b96da83bfe40832c16cfe5b074403c42085208e7..4fc7deaaa526a1414b4c531cdc92736f3dd2848b 100644 (file)
--- 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)?;