28 #include <sbIMediacoreTypeSniffer.h>
30 #include <nsIStringEnumerator.h>
33 #include <nsHashKeys.h>
34 #include <nsTHashtable.h>
37 #include <sbIMediacoreManager.h>
38 #include <sbIMediacoreFactoryRegistrar.h>
44 NS_DECL_SBIMEDIACORETYPESNIFFER
51 virtual ~sbMediacoreTypeSniffer();
53 nsresult GetFileExtensionFromURI(nsIURI* aURI,