+ QIODevice * getBuffer(int position);
+ bool isStream(int position);
+ void markPlayed(int position);
+ void deleteSong(int position);
+ void setGscom(gscom *comm);
+ void freeMemory(int position);
+ int currentplaying();
+ void setCurrentPlaying(int position);
+ bool bReady(int b);
+ int findFirstNotPlayed();
+ void beginDownload(int position);
+ bool existAt(int position);