+ // not implemented (yet)
+ RESULT seek(ePtr<iSeekableService> &ptr) { ptr = 0; return -1; }
+ RESULT audioTracks(ePtr<iAudioTrackSelection> &ptr) { ptr = 0; return -1; }
+ RESULT frontendStatusInfo(ePtr<iFrontendStatusInformation> &ptr) { ptr = 0; return -1; }
+ RESULT subServices(ePtr<iSubserviceList> &ptr) { ptr = 0; return -1; }
+ RESULT timeshift(ePtr<iTimeshiftService> &ptr) { ptr = 0; return -1; }
+