public Set < MetadataProvider > getMetadataProviders ( MediaDetails sourceMedia ) { String key = ( sourceMedia == null ) ? "" : sourceMedia . hashKey ( ) ; Set < MetadataProvider > result = metadataProviders . get ( key ) ; if ( result == null ) { return Collections . emptySet ( ) ; } return Collections . unmodifiableSet ( new HashSet < MetadataProvider > ( result ) ) ; }
Get the set of metadata providers that can offer metadata for tracks loaded from the specified media .