Index: mythmusic/mythmusic/decoder.h
===================================================================
--- mythmusic/mythmusic/decoder.h	(revision 22953)
+++ mythmusic/mythmusic/decoder.h	(working copy)
@@ -45,7 +45,7 @@
 
     const QString *errorMessage() const { return error_msg; }
 
-    virtual DecoderEvent *clone();
+    virtual DecoderEvent *clone() const;
 
 private:
     QString *error_msg;
Index: mythmusic/mythmusic/decoder.cpp
===================================================================
--- mythmusic/mythmusic/decoder.cpp	(revision 22953)
+++ mythmusic/mythmusic/decoder.cpp	(working copy)
@@ -15,7 +15,7 @@
 #include <output.h>
 #include <visual.h>
 
-DecoderEvent* DecoderEvent::clone()
+DecoderEvent* DecoderEvent::clone() const
 {
     DecoderEvent *result = new DecoderEvent(*this);