[mythtv-users] Multi-frontend playback sync

[Karl Dietz]

On 17.11.2013 07:15, DaveD wrote:
> Has anything been done toward this:
> http://www.mythtv.org/pipermail/mythtv-users/2007-November/201615.html
>
> I have my audio in perfect sync with Pulseaudio. There are times when I
> like to sync the living room and dining room (like Macey's thanksgiving
> parade or the Seahawks). Strategically timed play/pause and I can get
> them in sync and it's amazing how long they stay that way. Seems like it
> should be possible to send out a sync signal occasionally and sync up.
> Would be fine to blow off a few frames here and there.

Correct. "Just" let the player use the PTS, then send/receive the PTS
over the network (maybe add some NTP style stuff, to find out latency),
add "sync to external PTS" for the slaves and you are done.
Likely the devil is in the details, like PTS discontinuities etc.

Regards,
Karl