RESULT subtitle(ePtr<iSubtitleOutput> &ptr) { ptr = 0; return -1; }
RESULT audioDelay(ePtr<iAudioDelay> &ptr) { ptr = 0; return -1; }
RESULT rdsDecoder(ePtr<iRdsDecoder> &ptr) { ptr = 0; return -1; }
+ RESULT keys(ePtr<iServiceKeys> &ptr) { ptr = 0; return -1; }
// iPausableService
RESULT pause();