[MPlayer-users] mplayer udp sync -- several instances on one machine

johannes amorosa johannes.amorosa at gmail.com
Fri Jul 6 22:57:04 CEST 2012


On 6 July 2012 22:41, Roger Pack <rogerdpack2 at gmail.com> wrote:

> > Thank you Roger for your response. Unfortunately that didn't do the
> trick.
> > I believe it's
> > a network issue or the port is "blocked". The first instance always
> > synchronises and the
> > second one fails.
>
> If it can't play at all then it's probably a networking issue (firewall?)
> -r
>

No rules are turned on in the firewall. Maybe I describe my setup a bit
better I think my post was misleading.
I want to playback 5 HD streams on 3 Linux boxes in sync. All machines have
double DVI outputs and
I can configure my xserver as Twinview. Master and Slave on a single
machine works great. A second machine
with one udp-slave works great too. But If I start a second slave instance
on the second machine it wont get synced.
The first one behaves perfekt. I believe the first instance is purely
blocking the communication for the second instance.
As I'm not an expoert in Linux admisitration maybe some kind of
portforwarding (duplicate) would help the situation. I could use
this option to change the listening port on the second instance.

-udp-port <port>
              Sets the destination port for datagrams sent by the
-udp-master, and the port a -udp-slave listens on (default: 23867).

Does someone know if the communication is anyway bidirectional? In my
understanding theres no need to do this and I think
this could maybe be improved in mplayer.
Johannes


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