@SuppressWarnings("WeakerAccess")
    public TrackMetadata getLatestMetadataFor(int player) {
        ensureRunning();
        return hotCache.get(DeckReference.getDeckReference(player, 0));
    }
@ SuppressWarnings ( "WeakerAccess" ) public TrackMetadata getLatestMetadataFor ( int player ) { ensureRunning ( ) ; return hotCache . get ( DeckReference . getDeckReference ( player , 0 ) ) ; }
Look up the track metadata we have for the track loaded in the main deck of a given player number.

@param player the device number whose track metadata for the playing track is desired

@return information about the track loaded on that player, if available

@throws IllegalStateException if the MetadataFinder is not running