On Thu, Mar 22, 2018 at 06:27:14PM +0200, Yan Yankovskyi wrote: > I need to use PTP synchronization for synchronizing video stream (something > like this). To do it I have to adjust the clock, but using the system clock > looks like bad architecture decision. So I decided to ask is it possible to > have some separate clock, that will be dedicated only for this purpose.
Right. Media clock synchronization would be a great thing to have, but neither v4l not alsa have any kind of interfaces for this. So you are on your own. > By the way, 802.1AS-2011 standard describes application interfaces (chapter > 9), especially ClockTarget. Is it implemented in ptp4l, or it should be > implemented using some custom software? Yes, that functionality is implemented with the TIME_STATUS_NP management message. Thanks, Richard ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
