+#[cfg(feature="demuxer_sga")]
+ &sga::SGADemuxerCreator {},
+#[cfg(feature="demuxer_siff")]
+ &siff::SIFFDemuxerCreator {},
+#[cfg(feature="demuxer_smush")]
+ &smush::SmushDemuxerCreator {},
+#[cfg(feature="demuxer_smush")]
+ &smush::MCMPDemuxerCreator {},