On 2014-09-08 14:17, Glenn Golden wrote:
Tanu,
This isn't directly releated to this thread, but something that David mentioned
here worries me vis a vis our ongoing discssions about "which server are we
talking to?":
David Henningsson <[email protected]> [2014-09-08 13:32:45 +0200]:
Usually, PA will use the PULSE_SERVER X11 property instead of using
XDG_RUNTIME_DIR, so this environment variable does not matter.
This X11 PULSE_SERVER property hasn't been mentined before in our discussions
on the Travis Bickle question. It seems to add a new wrinkle. How does this
property fit in to the big picture of server determination? From what David
said above, it sounds like the PULSE_SERVER property has priority over the
XDG_RUNTIME_DIR envar...(????)
If I read the code correctly, here's the server priority order:
(Unless otherwise specified, anything in all caps is an environment
variable.)
1) Specified server(s) in the call to the pa_context_connect API.
2) Specified server(s) in PULSE_SERVER
3) Specified server(s) in PULSE_SERVER, where PULSE_SERVER is an X11
property
4) Specified server(s) as in client.conf (the "default-server" key)
If none of the above is present, all of the list below will be is tried,
in this priority order:
5) Per-user instance:
5a) based on PULSE_RUNTIME_PATH
5b) based on XDG_CONFIG_DIR (if no PULSE_RUNTIME_PATH)
5c) based on ~/.pulse (if no XDG_CONFIG_DIR)
5d) based on XDG_CONFIG_HOME (if ~/.pulse does not already exist)
5e) based on ~/.config/pulse (if no XDG_CONFIG_HOME)
6) System-wide instance, based on /var/run/pulse
7) If auto-connect-localhost is set in client.conf, also try
tcp4:127.0.0.1
8) If auto-connect-localhost is set in client.conf, also try tcp6:[::1]
9) If auto-connect-display is set in client.conf, also try DISPLAY
Phew! Unless I missed something, I think that's all methods. [1] I bet
someone really really wants you to connect to a PulseAudio server!
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
[1] And given the code, it wouldn't surprise me if I actually did miss a
method or two...
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