add wildcard branches for matches on enums

src/util/format/pixel.rs

@@ -742,6 +742,8 @@ impl From<AVPixelFormat> for Pixel {
             AV_PIX_FMT_RPI4_8 => Pixel::RPI4_8,
             #[cfg(feature = "rpi")]
             AV_PIX_FMT_RPI4_10 => Pixel::RPI4_10,
+
+            _ => unimplemented!(),
         }
     }
 }

src/util/format/sample.rs

@@ -86,6 +86,8 @@ impl From<AVSampleFormat> for Sample {
             AV_SAMPLE_FMT_DBLP => Sample::F64(Type::Planar),
 
             AV_SAMPLE_FMT_NB => Sample::None,
+
+            _ => unimplemented!(),
         }
     }
 }