diff --git a/src/codec/id.rs b/src/codec/id.rs
index 8999353..5df3dae 100644
--- a/src/codec/id.rs
+++ b/src/codec/id.rs
@@ -1233,6 +1233,7 @@ impl From<AVCodecID> for Id {
             AV_CODEC_ID_PHM => Id::PHM,
             #[cfg(feature = "ffmpeg_5_1")]
             AV_CODEC_ID_DFPWM => Id::DFPWM,
+            v => unimplemented!("{v:?} is not supported yet"),
         }
     }
 }
diff --git a/src/util/format/pixel.rs b/src/util/format/pixel.rs
index e582f74..7e62056 100644
--- a/src/util/format/pixel.rs
+++ b/src/util/format/pixel.rs
@@ -742,6 +742,7 @@ impl From<AVPixelFormat> for Pixel {
             AV_PIX_FMT_RPI4_8 => Pixel::RPI4_8,
             #[cfg(feature = "rpi")]
             AV_PIX_FMT_RPI4_10 => Pixel::RPI4_10,
+            v => unimplemented!("{v:?} is not supported yet"),
         }
     }
 }