-//#[cfg(feature="demuxer_real")]
-// &realmedia::RealAudioDemuxerCreator {},
-//#[cfg(feature="demuxer_real")]
-// &realmedia::RealIVRDemuxerCreator {},
+#[cfg(feature="demuxer_real")]
+ &realmedia::RealAudioDemuxerCreator {},
+#[cfg(feature="demuxer_real")]
+ &realmedia::RealIVRDemuxerCreator {},