On 08/04/2011 08:22 PM, Maarten Bosmans wrote:
2011/8/4 Colin Guthrie<[email protected]>:
'Twas brillig, and David Henningsson at 04/08/11 14:21 did gyre and gimble:
Ok, while testing 0.99.1 I seem to have found a bug in the pavucontrol
level meter. Go to the "input devices" tab and notice that the fact that
this tab is open, is not enough to keep the stream alive. E g, start
gnome-volume-control and check the level meter there, it works, and now
the pavucontrol level meter works as well, but as soon as you close
gnome-volume-control (or at least a few seconds after), the recording
stream goes to idle and the level meter stops.
This is a feature.... we use the DONT_INHIBIT_SUSPEND flag.
The flag was added in a patch by me after a discussion "Make
discoverable PA network sound devices available locally results in
huge network traffic" on the ml, in Januari.
I remember at some point someone complained that pavucontrol kept the
device open when it shouldn't - can't remember the exact scenario now
but there were cases when this was a total pain before.
The scenerio was that having pavucontrol open on a host with tunnels
to another host (e.g. 'make available' checked in paprefs) caused a
lot of network traffic, even if there was no audio playing through the
tunnels.
So it's easily "fixed" but I'm not sure we should... but then if memory
serves the complaint was about keeping sinks open (for monitors)...
keeping the mic open for the vu is probably a good idea as there is
usually some degree of background noise etc. and users shouting "test"...
So probably my patch was a bit to broad. You can look into enabling
DONT_INHIBIT_AUTO_SUSPEND more intelligently for different
monitors/sources. Also, it seems that g-v-c can use the flag too at
some places.
Actually, I don't mind the DONT_INHIBIT_AUTO_SUSPEND feature now that I
know it's there. I think it would be okay to change the level meter to a
label saying "This stream is currently idle." instead of just showing
the latest value and appearing hung-like.
Bonus points for making it configurable though!
--
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic
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