Hi, >> + * @param[in] scr System Clock Reference of PES stream. > > Remove the period. > >> + * @return On error a negative or zero value is returned, on success >> 1 is returned > > Add a period. As it may not be evident, the rule is to finish complete sentences (i.e. there is a verb) with a period, and don't use a period otherwise. Regards, V?ctor