[pulseaudio-discuss] Communication between puls servers?

Pierre Ossman ossman at cendio.se
Thu May 10 23:38:02 PDT 2007

Andrzej Wasowski wrote:
> My first question: is using rtp the only way to make a "remote sink" on a 
> local pulseaudio server, so that I can switch sinks between local and 
> remote using pavucontrol?  What protocol is used when the library connects to
> the remote server?  Is is also rtp?

No, RTP is more of a "broadcast" protocol. You can use the same, native,
protocol that clients use. Use the tunnel module for this (see homepage
for details).

> My second question is unrelated to rtp.  I have problems with local mixing on
> the server.  I use a local mpd to play music on that server and it works
> well.  However when I simultanously try to play some audio from a remote
> mplayer using esound protocol (or an rtp stream coming from my notebook, for
> that matter) I get only slow garbage from the speakers, and often pulseaudio
> dies after that.  It is not actually killed, but is unable to play again,
> even if I stop all the stream and just send one of them again).

Sounds like your sound driver is a bit buggy and gets into some funky
state when you use mpd. Have you tried running mpd through the local
pulse server?

Pierre Ossman            OpenSource-based Thin Client Technology
System Developer         Telephone: +46-13-21 46 00
Cendio AB                Web: http://www.cendio.com

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