bool have_signal (void) { return (_monotonic_cnt - _last_signal_tme) < (uint64_t) _sample_rate ; }
private:
+ int64_t parse_mclk (uint8_t* buf, pframes_t timestamp) const;
+ int64_t parse_mtc (uint8_t* buf, pframes_t timestamp) const;
framecnt_t _sample_rate;