@@ -0,0 +1,10 @@
+package de.danoeh.antennapod.core.cast;
+
+import com.google.android.libraries.cast.companionlibrary.cast.callbacks.VideoCastConsumerImpl;
+
+public class CastConsumerImpl extends VideoCastConsumerImpl implements CastConsumer {
+    @Override
+    public void onStreamVolumeChanged(double value, boolean isMute) {
+        // no-op
+    }
+}
Usually better names for classes like this (since there could be other implementations) is 'DefaultInterfaceName'. So this would be 'DefaultCastConsumer'.