On 05/08/2012 05:24 PM, Fons Adriaensen wrote: > On Tue, May 08, 2012 at 03:50:44PM +0200, Robin Gareus wrote: > >> @Paul, Fons,..: does it use a PLL or simply return the difference from >> clock_gettime() since the beginning of the cycle? > > jack_frame_time() reads the current time from Jack's usecs timer, > subtracts the cycle start time estimated by the PLL, converts the > difference to frames, and adds the frame count at the start of the > current cycle (which is jack_last_frame_time()). > >> IIRC Fons reworked some of jack timing functions not too long ago when >> writing zita-a2j, zita-j2a, but don't know if they also affect the >> transport API. > > The changes do not modify any part of the API, they add to it. > > Ciao,
thanks for this explanation. robin _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
