'Twas brillig, and Vadim Peretokin at 25/11/09 17:14 did gyre and gimble:
It's great that /pavucontrol/ offers a fallback device option. But why
doesn't it offer one for selecting which device would you like to be
default?
Because it doesn't :) Patches welcome.
My use case: I'm on a laptop and have a wireless usb headset. I prefer
that everything is played/recorded via the headset, when the headset is
connected to the laptop.
This is a not uncommon request. I'm trying to convince Lennart that this
is indeed something we need to expose in the UI.
For KDE users this is now possible with PA 0.9.21 and KDE 4.4, but no
Gnome UI/interaction exists for this.
Currently with PulseAudio, every new app that I start will use the
onboard sound card. I have to manually go to pavucontrol, and change the
streams to my headset. PA will also, at some point later in time,
randomly forget that and reset back to the soundcard, but I haven't
found the reliable pattern for that to report it.
It's quite predictable actually.
PA will always remember what your app has chosen. So if you play
something with an app for the very first time, it is assigned to the
fallback device (we know no better).
Once it's played for the first time, we save that choice. When the app
is started next time, it tries to use the same device as last time, and
then it uses the fallback.
So the "randomly" forgetting is just using said app with the headset not
plugged in. This overwrites your previously saved device.
The logic is quite simple, but I have to agree with you that I'd like
more predictable results and preferences.
An ordered list of priorities per role is what I'd like to see (it's
what I've implemented in module-device-manager) with the option to
overrule that general choice but with a simple UI to "forget" the choice
and revert to the priority-per-role list.
Col
--
Colin Guthrie
gmane(at)colin.guthr.ie
http://colin.guthr.ie/
Day Job:
Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
Mandriva Linux Contributor [http://www.mandriva.com/]
PulseAudio Hacker [http://www.pulseaudio.org/]
Trac Hacker [http://trac.edgewall.org/]
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