[pulseaudio-discuss] RTP sink with two interfaces

Lennart Poettering lennart at poettering.net
Wed Feb 13 09:45:02 PST 2008

On Sun, 20.01.08 01:37, Matt Feifarek (matt.feifarek at gmail.com) wrote:

> Hello.
> Avahi has the neat feature "reflector" which can catch mDNS on one
> interface and fling it out on another. In my case, I have a wired LAN
> and a wireless LAN connected to the same firewall/router box.
> Of course, this works for PulseAudio; the Avahi notifications show up
> on both sides, but it seems that streaming RTP can only be one or the
> other. This makes sense, unless a multicast-able router exists.
> It seems that both of the possible software projects that might fill
> this need are old or dead; pimd and mrouted. As it it, I have to have
> a static route to point packets to in the right direction
> to get anything to work on my wired lan.
> Is there a clever work-around with current modules, or perhaps plans
> for a pulseaudio module that works similarly to the Avahi-reflector?

There's no need to have this inside PA. A small, dumb mcast reflector should
be doable in < 50 lines. Get the Stevens and start hacking!

Setting up static routes for the two mcast groups is however probably
still the easier way to achieve what you are asking for.


Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net         ICQ# 11060553
http://0pointer.net/lennart/           GnuPG 0x1A015CC4

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