[MPlayer-dev-eng] [PATCH] Network synchronized playback using UDP

Jason Holt jholt at google.com
Fri Aug 21 00:03:15 CEST 2009


> Thanks.  I played around with it a bit, and it seems to work well on a
> LAN.  Although when seeking, I'd prefer the slave be more aggressive
> about seeking further back and decoding/discarding frames to regain
> sync, as opposed to waiting until the master catches up.  Perhaps that's
> something that can be tweaked in the future.


It can be tweaked right now :)  see -udp-sync-threshold in the manpage.


On a WAN with about 170ms latency, it appears to do some untoward things
> with audio sync on the slave.  Would you say that the code has latency
> assumptions, precluding it from reliably working on higher latency
> connections?  If so, the documentation should probably state that.


Added a few sentences to that affect.  I suspect it's actually more to do
with variable latency than high latency.

Updated patch attached.
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